diff --git a/run.py b/run.py
index 9f38fdca9c51cbed332725ce8e120e1493551b93..8e4d9c46f4a39224335dd65b689f519943166d0f 100644
--- a/run.py
+++ b/run.py
@@ -2,15 +2,15 @@ __author__ = "Lukas Leufen"
 __date__ = '2019-11-14'
 
 
-import logging
 import argparse
+import logging
 
 from src.run_modules.experiment_setup import ExperimentSetup
-from src.run_modules.run_environment import RunEnvironment
-from src.run_modules.pre_processing import PreProcessing
 from src.run_modules.model_setup import ModelSetup
-from src.run_modules.training import Training
 from src.run_modules.post_processing import PostProcessing
+from src.run_modules.pre_processing import PreProcessing
+from src.run_modules.run_environment import RunEnvironment
+from src.run_modules.training import Training
 
 
 def main(parser_args):
diff --git a/src/data_handling/data_generator.py b/src/data_handling/data_generator.py
index 1de0ab2092b46dfca6281963b260b1fc6bc65387..0e60c8916c62c10929fad72b2271b0e7f54dee4a 100644
--- a/src/data_handling/data_generator.py
+++ b/src/data_handling/data_generator.py
@@ -1,13 +1,15 @@
 __author__ = 'Felix Kleinert, Lukas Leufen'
 __date__ = '2019-11-07'
 
-import keras
-from src import helpers
-from src.data_handling.data_preparation import DataPrep
 import os
 from typing import Union, List, Tuple
+
+import keras
 import xarray as xr
 
+from src import helpers
+from src.data_handling.data_preparation import DataPrep
+
 
 class DataGenerator(keras.utils.Sequence):
     """
diff --git a/src/data_handling/data_preparation.py b/src/data_handling/data_preparation.py
index e3506724eb5f78a6cd7af6217c768b183d671dba..1ae5f0ae8ec77c9e5e0b6776d4e17f1dff412286 100644
--- a/src/data_handling/data_preparation.py
+++ b/src/data_handling/data_preparation.py
@@ -1,15 +1,17 @@
 __author__ = 'Felix Kleinert, Lukas Leufen'
 __date__ = '2019-10-16'
 
-import xarray as xr
-import pandas as pd
-import numpy as np
+import datetime as dt
 import logging
 import os
+from typing import Union, List, Iterable
+
+import numpy as np
+import pandas as pd
+import xarray as xr
+
 from src import join, helpers
 from src import statistics
-from typing import Union, List, Iterable
-import datetime as dt
 
 # define a more general date type for type hinting
 date = Union[dt.date, dt.datetime]
diff --git a/src/datastore.py b/src/datastore.py
index 69e486796cc4320d88b3c3f5fd4a970d4ee814e9..d9f844ff97acb3f5c6600205f91100219d9c53e6 100644
--- a/src/datastore.py
+++ b/src/datastore.py
@@ -2,8 +2,8 @@ __author__ = 'Lukas Leufen'
 __date__ = '2019-11-22'
 
 
-from typing import Any, List, Tuple, Dict
 from abc import ABC
+from typing import Any, List, Tuple, Dict
 
 
 class NameNotFoundInDataStore(Exception):
diff --git a/src/join.py b/src/join.py
index bcbce84d8a20356998e547b025f95f9c80e54b13..351060f7bf4949801f94b04c13e3881f008389b6 100644
--- a/src/join.py
+++ b/src/join.py
@@ -2,11 +2,13 @@ __author__ = 'Felix Kleinert, Lukas Leufen'
 __date__ = '2019-10-16'
 
 
-import requests
-import logging
-import pandas as pd
 import datetime as dt
+import logging
 from typing import Iterator, Union, List, Dict
+
+import pandas as pd
+import requests
+
 from src import helpers
 from src.join_settings import join_settings
 
diff --git a/src/model_modules/flatten.py b/src/model_modules/flatten.py
index 707b0d4421fd506d16f93d7c56406abc878ab9f1..bbe92472ebb48e7486dede099dc098a161f51695 100644
--- a/src/model_modules/flatten.py
+++ b/src/model_modules/flatten.py
@@ -1,9 +1,10 @@
 __author__ = "Felix Kleinert, Lukas Leufen"
 __date__ = '2019-12-02'
 
-import keras
 from typing import Callable
 
+import keras
+
 
 def flatten_tail(input_X: keras.layers, name: str, bound_weight: bool = False, dropout_rate: float = 0.0,
                  window_lead_time: int = 4, activation: Callable = keras.activations.relu,
diff --git a/src/model_modules/inception_model.py b/src/model_modules/inception_model.py
index 126dc15320f4b0ac7ff660b709601f083700d01f..11093df56a4b262f75eae7a6f7c05e6e44e1435d 100644
--- a/src/model_modules/inception_model.py
+++ b/src/model_modules/inception_model.py
@@ -1,9 +1,10 @@
 __author__ = 'Felix Kleinert, Lukas Leufen'
 __date__ = '2019-10-22'
 
+import logging
+
 import keras
 import keras.layers as layers
-import logging
 
 
 class InceptionModelBase:
diff --git a/src/model_modules/linear_model.py b/src/model_modules/linear_model.py
index d8c455b551ef748e90ae601c91931a8092a82b38..3d5323e1b0303b497c1f26c4e84ee9b968380425 100644
--- a/src/model_modules/linear_model.py
+++ b/src/model_modules/linear_model.py
@@ -2,8 +2,8 @@ __author__ = "Felix Kleinert, Lukas Leufen"
 __date__ = '2019-12-11'
 
 
-import statsmodels.api as sm
 import numpy as np
+import statsmodels.api as sm
 
 
 class OrdinaryLeastSquaredModel:
diff --git a/src/model_modules/model_class.py b/src/model_modules/model_class.py
index 02f43dc1b208cfd8a52a937298217216f26fbdb6..bb4801acfb5c3a643aecbcfad9cfdb758258d0ef 100644
--- a/src/model_modules/model_class.py
+++ b/src/model_modules/model_class.py
@@ -9,8 +9,6 @@ from typing import Any, Callable
 
 import keras
 
-from src import helpers
-
 
 class AbstractModelClass(ABC):
 
diff --git a/src/plotting/postprocessing_plotting.py b/src/plotting/postprocessing_plotting.py
index ece1ad97fb0be754c97997fb63d711e351d1095f..6ae8573d11375335edda48a1bf26f30d6125bd69 100644
--- a/src/plotting/postprocessing_plotting.py
+++ b/src/plotting/postprocessing_plotting.py
@@ -1,26 +1,25 @@
 __author__ = "Lukas Leufen, Felix Kleinert"
 __date__ = '2019-12-17'
 
-import os
 import logging
 import math
+import os
 import warnings
-from src import helpers
-from src.helpers import TimeTracking
-from src.run_modules.run_environment import RunEnvironment
+from typing import Dict, List, Tuple
 
+import cartopy.crs as ccrs
+import cartopy.feature as cfeature
+import matplotlib
+import matplotlib.pyplot as plt
 import numpy as np
-import xarray as xr
 import pandas as pd
-
-import matplotlib
 import seaborn as sns
-import matplotlib.pyplot as plt
-import cartopy.crs as ccrs
-import cartopy.feature as cfeature
+import xarray as xr
 from matplotlib.backends.backend_pdf import PdfPages
 
-from typing import Dict, List, Tuple
+from src import helpers
+from src.helpers import TimeTracking
+from src.run_modules.run_environment import RunEnvironment
 
 logging.getLogger('matplotlib').setLevel(logging.WARNING)
 
diff --git a/src/plotting/training_monitoring.py b/src/plotting/training_monitoring.py
index 339ba63711cde8122f2879d66b66d490429e6d23..7e656895c5eecdabe1ef26869b68fb9494ed4c8c 100644
--- a/src/plotting/training_monitoring.py
+++ b/src/plotting/training_monitoring.py
@@ -5,9 +5,9 @@ __date__ = '2019-12-11'
 from typing import Union, Dict, List
 
 import keras
-import pandas as pd
 import matplotlib
 import matplotlib.pyplot as plt
+import pandas as pd
 
 from src.model_modules.keras_extensions import LearningRateDecay
 
diff --git a/src/run_modules/experiment_setup.py b/src/run_modules/experiment_setup.py
index d2410de06c8726ad1aef3626a56876c3202bf334..c995367f06014ab3393317c48cb6ec2229ee21df 100644
--- a/src/run_modules/experiment_setup.py
+++ b/src/run_modules/experiment_setup.py
@@ -2,15 +2,14 @@ __author__ = "Lukas Leufen, Felix Kleinert"
 __date__ = '2019-11-15'
 
 
-import logging
 import argparse
-from typing import Union, Dict, Any
+import logging
 import os
+from typing import Union, Dict, Any
 
 from src import helpers
 from src.run_modules.run_environment import RunEnvironment
 
-
 DEFAULT_STATIONS = ['DEBW107', 'DEBY081', 'DEBW013', 'DEBW076', 'DEBW087', 'DEBY052', 'DEBY032', 'DEBW022', 'DEBY004',
                     'DEBY020', 'DEBW030', 'DEBW037', 'DEBW031', 'DEBW015', 'DEBW073', 'DEBY039', 'DEBW038', 'DEBW081',
                     'DEBY075', 'DEBW040', 'DEBY053', 'DEBW059', 'DEBW027', 'DEBY072', 'DEBW042', 'DEBW039', 'DEBY001',
diff --git a/src/run_modules/model_setup.py b/src/run_modules/model_setup.py
index 4a72189283ff1bedc3014b29cdb752fe244c84bf..7049af591cdf73434459d4c3f5f6c11e80ab64c0 100644
--- a/src/run_modules/model_setup.py
+++ b/src/run_modules/model_setup.py
@@ -2,19 +2,20 @@ __author__ = "Lukas Leufen, Felix Kleinert"
 __date__ = '2019-12-02'
 
 
-import keras
-from keras import losses
-import tensorflow as tf
 import logging
 import os
 
-from src.run_modules.run_environment import RunEnvironment
+import keras
+import tensorflow as tf
+from keras import losses
+
 from src.helpers import l_p_loss
-from src.model_modules.keras_extensions import HistoryAdvanced, ModelCheckpointAdvanced
-from src.model_modules.inception_model import InceptionModelBase
 from src.model_modules.flatten import flatten_tail
+from src.model_modules.inception_model import InceptionModelBase
+from src.model_modules.keras_extensions import HistoryAdvanced, ModelCheckpointAdvanced
 # from src.model_modules.model_class import MyBranchedModel as MyModel
 from src.model_modules.model_class import MyLittleModel as MyModel
+from src.run_modules.run_environment import RunEnvironment
 
 
 class ModelSetup(RunEnvironment):
diff --git a/src/run_modules/post_processing.py b/src/run_modules/post_processing.py
index 93cb27dcdc7ad10137dd663c35ca43c401254872..258e0e0c9a53652fedee36ad16d24019c6a4775d 100644
--- a/src/run_modules/post_processing.py
+++ b/src/run_modules/post_processing.py
@@ -5,20 +5,21 @@ __date__ = '2019-12-11'
 import logging
 import os
 
+import keras
 import numpy as np
 import pandas as pd
 import xarray as xr
-import keras
 
-from src.run_modules.run_environment import RunEnvironment
+from src import statistics
 from src.data_handling.data_distributor import Distributor
 from src.data_handling.data_generator import DataGenerator
-from src.model_modules.linear_model import OrdinaryLeastSquaredModel
-from src import statistics
-from src.plotting.postprocessing_plotting import plot_conditional_quantiles
-from src.plotting.postprocessing_plotting import PlotMonthlySummary, PlotStationMap, PlotClimatologicalSkillScore, PlotCompetitiveSkillScore
 from src.datastore import NameNotFoundInDataStore
 from src.helpers import TimeTracking
+from src.model_modules.linear_model import OrdinaryLeastSquaredModel
+from src.plotting.postprocessing_plotting import PlotMonthlySummary, PlotStationMap, PlotClimatologicalSkillScore, \
+    PlotCompetitiveSkillScore
+from src.plotting.postprocessing_plotting import plot_conditional_quantiles
+from src.run_modules.run_environment import RunEnvironment
 
 
 class PostProcessing(RunEnvironment):
diff --git a/src/run_modules/pre_processing.py b/src/run_modules/pre_processing.py
index c5b1c53fc007a887f5219066185b5a02f352ee7c..9eef12f5dafbf2930ed22337c46281954de55b3c 100644
--- a/src/run_modules/pre_processing.py
+++ b/src/run_modules/pre_processing.py
@@ -7,9 +7,8 @@ from typing import Tuple, Dict, List
 
 from src.data_handling.data_generator import DataGenerator
 from src.helpers import TimeTracking
-from src.run_modules.run_environment import RunEnvironment
 from src.join import EmptyQueryResult
-
+from src.run_modules.run_environment import RunEnvironment
 
 DEFAULT_ARGS_LIST = ["data_path", "network", "stations", "variables", "interpolate_dim", "target_dim", "target_var"]
 DEFAULT_KWARGS_LIST = ["limit_nan_fill", "window_history_size", "window_lead_time", "statistics_per_var",
diff --git a/src/run_modules/training.py b/src/run_modules/training.py
index 99afd8300ca28fec3a589e69fa5b4eff1a37914a..e2a98f27c65e6050b0edae2bbc178abbf97ab646 100644
--- a/src/run_modules/training.py
+++ b/src/run_modules/training.py
@@ -1,16 +1,17 @@
 __author__ = "Lukas Leufen, Felix Kleinert"
 __date__ = '2019-12-05'
 
+import json
 import logging
 import os
-import json
-import keras
 import pickle
 
-from src.run_modules.run_environment import RunEnvironment
+import keras
+
 from src.data_handling.data_distributor import Distributor
-from src.plotting.training_monitoring import PlotModelHistory, PlotModelLearningRate
 from src.model_modules.keras_extensions import LearningRateDecay, ModelCheckpointAdvanced
+from src.plotting.training_monitoring import PlotModelHistory, PlotModelLearningRate
+from src.run_modules.run_environment import RunEnvironment
 
 
 class Training(RunEnvironment):
diff --git a/test/test_data_handling/test_data_distributor.py b/test/test_data_handling/test_data_distributor.py
index cb51f20c8771ec49116731f02c7b462a62405394..4c6dbb1c38f2e4a49e53883fbe3cb33cb565118a 100644
--- a/test/test_data_handling/test_data_distributor.py
+++ b/test/test_data_handling/test_data_distributor.py
@@ -1,6 +1,5 @@
 import math
 import os
-import shutil
 
 import keras
 import numpy as np
diff --git a/test/test_data_handling/test_data_generator.py b/test/test_data_handling/test_data_generator.py
index 879436afddb8da8d11d6cc585da7c703aa12ef8a..2f741a1aca241767681f23f2e0912a28103b24b7 100644
--- a/test/test_data_handling/test_data_generator.py
+++ b/test/test_data_handling/test_data_generator.py
@@ -1,6 +1,7 @@
-import pytest
 import os
-import shutil
+
+import pytest
+
 from src.data_handling.data_generator import DataGenerator
 
 
diff --git a/test/test_data_handling/test_data_preparation.py b/test/test_data_handling/test_data_preparation.py
index 12b619d9e31990f6cc24216ff84ad9d030265e36..8b5968460a935638ba4d64d3e939eb32d6b49189 100644
--- a/test/test_data_handling/test_data_preparation.py
+++ b/test/test_data_handling/test_data_preparation.py
@@ -1,12 +1,14 @@
-import pytest
+import datetime as dt
 import os
-from src.data_handling.data_preparation import DataPrep
-from src.join import EmptyQueryResult
+from operator import itemgetter
+
 import numpy as np
-import xarray as xr
-import datetime as dt
 import pandas as pd
-from operator import itemgetter
+import pytest
+import xarray as xr
+
+from src.data_handling.data_preparation import DataPrep
+from src.join import EmptyQueryResult
 
 
 class TestDataPrep:
diff --git a/test/test_datastore.py b/test/test_datastore.py
index e7510cffacafb4a6db6006097f48992fb6a10e55..95a58deafc915dd6193960e77bb99cc8ab8d85cb 100644
--- a/test/test_datastore.py
+++ b/test/test_datastore.py
@@ -2,9 +2,10 @@ __author__ = 'Lukas Leufen'
 __date__ = '2019-11-22'
 
 
+import pytest
+
 from src.datastore import AbstractDataStore, DataStoreByVariable, DataStoreByScope
 from src.datastore import NameNotFoundInDataStore, NameNotFoundInScope, EmptyScope
-import pytest
 
 
 class TestAbstractDataStore:
diff --git a/test/test_helpers.py b/test/test_helpers.py
index 463007dc361d21df934bb239b3ecac2fc86882ad..b807d2b8612b9ee006bff43f1ae4cfcfd2dd07e1 100644
--- a/test/test_helpers.py
+++ b/test/test_helpers.py
@@ -1,13 +1,13 @@
-import pytest
-from src.helpers import *
 import logging
 import os
+import platform
+
 import keras
-import numpy as np
 import mock
-import platform
+import numpy as np
+import pytest
 
-from src.model_modules.keras_extensions import LearningRateDecay
+from src.helpers import *
 
 
 class TestToList:
diff --git a/test/test_join.py b/test/test_join.py
index 029d7ec87efba1003b62b5c92361f574711355de..fe3d33d6296c16bfc72675bc1737aad12ee3c8b9 100644
--- a/test/test_join.py
+++ b/test/test_join.py
@@ -1,5 +1,5 @@
 from typing import Iterable
-import datetime as dt
+
 import pytest
 
 from src.join import *
diff --git a/test/test_model_modules/test_inception_model.py b/test/test_model_modules/test_inception_model.py
index b2a923c47c4351ed4c2f543a4e30d25fdbaa58ea..aa5cb284ab196d733e04a9882fa4d5a4ef639a6d 100644
--- a/test/test_model_modules/test_inception_model.py
+++ b/test/test_model_modules/test_inception_model.py
@@ -1,6 +1,7 @@
+import keras
 import pytest
+
 from src.model_modules.inception_model import InceptionModelBase
-import keras
 
 
 class TestInceptionModelBase:
diff --git a/test/test_model_modules/test_keras_extensions.py b/test/test_model_modules/test_keras_extensions.py
index c50e5e425779575eb2b492213a0b39b2b7c3376e..8bcebec60efe46db48a403b72e61a2036a6c00b9 100644
--- a/test/test_model_modules/test_keras_extensions.py
+++ b/test/test_model_modules/test_keras_extensions.py
@@ -1,8 +1,9 @@
-import pytest
-from src.model_modules.keras_extensions import *
-from src.helpers import l_p_loss
 import keras
 import numpy as np
+import pytest
+
+from src.helpers import l_p_loss
+from src.model_modules.keras_extensions import *
 
 
 class TestLearningRateDecay:
diff --git a/test/test_model_modules/test_model_class.py b/test/test_model_modules/test_model_class.py
index 0af16012336c9dbcc3133d7dac1f365e276d11bc..0dbd2d9b67a0748bf09eb4f59e1888aae1ea405d 100644
--- a/test/test_model_modules/test_model_class.py
+++ b/test/test_model_modules/test_model_class.py
@@ -1,5 +1,5 @@
-import pytest
 import keras
+import pytest
 
 from src.model_modules.model_class import AbstractModelClass
 
diff --git a/test/test_modules/test_experiment_setup.py b/test/test_modules/test_experiment_setup.py
index 08062f4c81dc172d47daa0c0592f07f4da254fb0..7a4f16fd055e0af0aea95181d475d061c185ca92 100644
--- a/test/test_modules/test_experiment_setup.py
+++ b/test/test_modules/test_experiment_setup.py
@@ -1,11 +1,11 @@
-import pytest
-import logging
 import argparse
+import logging
 import os
 
-from src.run_modules.experiment_setup import ExperimentSetup
+import pytest
+
 from src.helpers import TimeTracking, prepare_host
-from src.datastore import NameNotFoundInScope, NameNotFoundInDataStore
+from src.run_modules.experiment_setup import ExperimentSetup
 
 
 class TestExperimentSetup:
diff --git a/test/test_modules/test_model_setup.py b/test/test_modules/test_model_setup.py
index 65c683003d173031115164b4800d7759ff9cec2f..2864ae45bcd7d3c6109d6d84fe5ea152a7d86384 100644
--- a/test/test_modules/test_model_setup.py
+++ b/test/test_modules/test_model_setup.py
@@ -1,13 +1,12 @@
-import pytest
 import os
-import keras
-import mock
 
-from src.run_modules.model_setup import ModelSetup
-from src.run_modules.run_environment import RunEnvironment
+import pytest
+
 from src.data_handling.data_generator import DataGenerator
-from src.model_modules.model_class import AbstractModelClass
 from src.datastore import EmptyScope
+from src.model_modules.model_class import AbstractModelClass
+from src.run_modules.model_setup import ModelSetup
+from src.run_modules.run_environment import RunEnvironment
 
 
 class TestModelSetup:
diff --git a/test/test_modules/test_post_processing.py b/test/test_modules/test_post_processing.py
index e6a245ccb27807d59114d0a7c69e472d98bc1e58..67897451eaa5de065b644d1f9868a846cb57d84e 100644
--- a/test/test_modules/test_post_processing.py
+++ b/test/test_modules/test_post_processing.py
@@ -1,8 +1,3 @@
-import keras
-
-from src.run_modules.post_processing import PostProcessing
-
-
 class TestPostProcessing:
 
     def test_init(self):
diff --git a/test/test_modules/test_pre_processing.py b/test/test_modules/test_pre_processing.py
index c6f70169adee6eec74c834d952721f41d3c3fa03..9d1feb03ac71b980f6a4cd1b0e6cac2a52d9625b 100644
--- a/test/test_modules/test_pre_processing.py
+++ b/test/test_modules/test_pre_processing.py
@@ -1,11 +1,12 @@
 import logging
+
 import pytest
 
+from src.data_handling.data_generator import DataGenerator
+from src.datastore import NameNotFoundInScope
 from src.helpers import PyTestRegex
 from src.run_modules.experiment_setup import ExperimentSetup
 from src.run_modules.pre_processing import PreProcessing, DEFAULT_ARGS_LIST, DEFAULT_KWARGS_LIST
-from src.data_handling.data_generator import DataGenerator
-from src.datastore import NameNotFoundInScope
 from src.run_modules.run_environment import RunEnvironment
 
 
diff --git a/test/test_modules/test_training.py b/test/test_modules/test_training.py
index 08b9eaf19e831ed1662efbe21f4ad29d18dff9b4..485348ceca740d8263394fca36efbfbde6dd2d0d 100644
--- a/test/test_modules/test_training.py
+++ b/test/test_modules/test_training.py
@@ -1,21 +1,22 @@
+import glob
+import json
+import logging
+import os
+import shutil
+
 import keras
+import mock
 import pytest
 from keras.callbacks import ModelCheckpoint, History
-import mock
-import os
-import json
-import shutil
-import logging
-import glob
 
-from src.model_modules.inception_model import InceptionModelBase
-from src.model_modules.flatten import flatten_tail
-from src.run_modules.training import Training
-from src.run_modules.run_environment import RunEnvironment
 from src.data_handling.data_distributor import Distributor
 from src.data_handling.data_generator import DataGenerator
 from src.helpers import PyTestRegex
+from src.model_modules.flatten import flatten_tail
+from src.model_modules.inception_model import InceptionModelBase
 from src.model_modules.keras_extensions import LearningRateDecay, HistoryAdvanced
+from src.run_modules.run_environment import RunEnvironment
+from src.run_modules.training import Training
 
 
 def my_test_model(activation, window_history_size, channels, dropout_rate, add_minor_branch=False):
diff --git a/test/test_plotting/test_training_monitoring.py b/test/test_plotting/test_training_monitoring.py
index 358a19adf5c81c90f7e77b787ca7b50923990f00..7e4e21c1a28b35bef4aa6e613756378fe41611b5 100644
--- a/test/test_plotting/test_training_monitoring.py
+++ b/test/test_plotting/test_training_monitoring.py
@@ -1,9 +1,10 @@
+import os
+
 import keras
 import pytest
-import os
 
-from src.plotting.training_monitoring import PlotModelLearningRate, PlotModelHistory
 from src.model_modules.keras_extensions import LearningRateDecay
+from src.plotting.training_monitoring import PlotModelLearningRate, PlotModelHistory
 
 
 @pytest.fixture
diff --git a/test/test_statistics.py b/test/test_statistics.py
index fa7de6022f0957031f90fbf951679594583eccab..308ac655787e69f90b45e65e7e7df8f35875f652 100644
--- a/test/test_statistics.py
+++ b/test/test_statistics.py
@@ -1,7 +1,8 @@
+import numpy as np
+import pandas as pd
 import pytest
 import xarray as xr
-import pandas as pd
-import numpy as np
+
 from src.statistics import standardise, standardise_inverse, centre, centre_inverse