diff --git a/video_prediction_tools/utils/runscript_generator/config_postprocess.py b/video_prediction_tools/utils/runscript_generator/config_postprocess.py
index 5edf00302e50942714d33275f8a5cccdbd4f7ab2..9e33f9611823504bcfd3c91c07314986de7a298d 100755
--- a/video_prediction_tools/utils/runscript_generator/config_postprocess.py
+++ b/video_prediction_tools/utils/runscript_generator/config_postprocess.py
@@ -60,7 +60,7 @@ class Config_Postprocess(Config_runscript_base):
         # get the 'checkpoint-directory', i.e. the directory where the trained model parameters are stored
         # Note that the remaining information (model, results-directory etc.) can be retrieved form it!!!
 
-        # First chosse the basic experiment directory
+        # First choose the basic experiment directory
         dir_base = Config_Postprocess.handle_source_dir(self, "models")
         expbase_req_str = "Choose an experiment from the list above:"
         expbase_err = NotADirectoryError("Could not find passed directory.")
@@ -101,7 +101,7 @@ class Config_Postprocess(Config_runscript_base):
         self.runscript_target = self.rscrpt_tmpl_prefix + self.dataset + "_" + exp_dir + ".sh"
 
         # Set results_dir
-        self.results_dir = os.path.join(base_dir, "results", exp_dir_base,self.model, exp_dir)
+        self.results_dir = os.path.join(base_dir, "results", exp_dir_base, self.model, exp_dir)
 
         return
         # Decide if quick evaluation should be performed
@@ -150,9 +150,11 @@ class Config_Postprocess(Config_runscript_base):
         :param silent: flag if print-statement are executed
         :return: status with True confirming success
         """
+        status = False
         if not os.path.isdir(dir_in):
             if not silent: print("{0} is not a directory".format(dir_in))
-            status = False
+        elif dir_in == "":
+            if not silent: print("{0}: Please enter a directory/checkpoint.")
         else:
             status = True
 
@@ -184,7 +186,7 @@ class Config_Postprocess(Config_runscript_base):
                     print("The base directory does not exist as well!")
             return status
 
-        if not model_in:     # user just printed 'Enter'
+        if not model_in:     # user just pressed 'Enter'
             _ = Config_Postprocess.get_subdir_list(os.path.dirname(model_path))
             return status