related to #57

- add switch into __init__ method
- _permutate_data() is no longer a static method

src/data_handling/data_distributor.py

@@ -12,11 +12,12 @@ import numpy as np
 class Distributor(keras.utils.Sequence):
 
     def __init__(self, generator: keras.utils.Sequence, model: keras.models, batch_size: int = 256,
-                 fit_call: bool = True):
+                 fit_call: bool = True, permutate_data: bool = True):
         self.generator = generator
         self.model = model
         self.batch_size = batch_size
         self.fit_call = fit_call
+        self.permutate_data = permutate_data
 
     def _get_model_rank(self):
         mod_out = self.model.output_shape
@@ -33,11 +34,11 @@ class Distributor(keras.utils.Sequence):
     def _get_number_of_mini_batches(self, values):
         return math.ceil(values[0].shape[0] / self.batch_size)
 
-    @staticmethod
-    def _permutate_data(x, y):
+    def _permutate_data(self, x, y):
         """
         Permutate inputs x and labels y
         """
+        if self.permutate_data:
             p = np.random.permutation(len(x))  # equiv to .shape[0]
             x = x[p]
             y = y[p]