fixed docstring

pathpy/utils/default_containers.py

@@ -1,12 +1,3 @@
-"""
-Provides default containers for various classes
-which are used to store nodes, edges and similar objects.
-
-To make the various classes pickle-able the defaultdicts need to be publicly addressable
-function names, this means that no lambda functions are allowed.
-
-All pathpy classes which required a default value as a container, should use these here.
-"""
 # -*- coding: utf-8 -*-
 #    pathpy is an OpenSource python package for the analysis of time series data
 #    on networks using higher- and multi order graphical models.
@@ -30,22 +21,38 @@
 #
 #    E-mail: scholtes@ifi.uzh.ch
 #    Web:    http://www.ingoscholtes.net
+
+"""
+Provides default containers for various classes
+which are used to store nodes, edges and similar objects.
+
+To make the various classes pickle-able the defaultdicts need to be publicly addressable
+function names, this means that no lambda functions are allowed.
+
+All pathpy classes which required a default value as a container, should use these here.
+"""
+
 from collections import defaultdict
 import numpy as np
 
 
 def nested_zero_default():
-    """returns a nested default dict (2 levels)
+    """
+    Returns a nested default dict (2 levels)
     with a numpy zero array of length 0 as default
     """
     return defaultdict(zero_array_default)
 
 
 def _zero_array():
-    """returns a zero numpy array of length 2"""
+    """
+    Returns a zero numpy array of length 2
+    """
     return np.array([0.0, 0.0])
 
 
 def zero_array_default():
-    """returns a default dict with numpy zero array af length 2 as default"""
+    """
+    Returns a default dict with numpy zero array af length 2 as default
+    """
     return defaultdict(_zero_array)