fix : minor bug in _GI_initializer fixed

samila/functions.py

@@ -233,12 +233,12 @@ def _GI_initializer(g, function1, function2):
     :type function2: python or lambda function
     :return: None
     """
-    self.matplotlib_version = matplotlib.__version__
-    self.function1 = function1
-    self.function1_str = None
-    self.function2 = function2
-    self.function2_str = None
-    self.fig = None
+    g.matplotlib_version = matplotlib.__version__
+    g.function1 = function1
+    g.function1_str = None
+    g.function2 = function2
+    g.function2_str = None
+    g.fig = None
     g.seed = None
     g.start = DEFAULT_START
     g.step = DEFAULT_STEP