diff --git a/moviepy/video/tools/credits.py b/moviepy/video/tools/credits.py
index d6833345e..14d50a5f3 100644
--- a/moviepy/video/tools/credits.py
+++ b/moviepy/video/tools/credits.py
@@ -8,12 +8,11 @@
 from moviepy.video.compositing.CompositeVideoClip import CompositeVideoClip
 from moviepy.video.fx import resize
 
-def credits1(creditfile,width,stretch=30,color='white',
-                 stroke_color='black', stroke_width=2,
-                 font='Impact-Normal',fontsize=60,gap=0):
+
+def credits1(creditfile, width, stretch=30, color='white', stroke_color='black',
+             stroke_width=2, font='Impact-Normal', fontsize=60, gap=0):
     """
-    
-    
+
     Parameters
     -----------
     
@@ -51,7 +50,7 @@ def credits1(creditfile,width,stretch=30,color='white',
     
     image
        An ImageClip instance that looks like this and can be scrolled
-       to make some credits :
+       to make some credits:
         
         Executive Story Editor    MARCEL DURAND
            Associate Producers    MARTIN MARCEL
@@ -59,52 +58,50 @@ def credits1(creditfile,width,stretch=30,color='white',
               Music Supervisor    JEAN DIDIER
               
     """
-    
-    
+
     # PARSE THE TXT FILE
     
     with open(creditfile) as f:
         lines = f.readlines()
     
-    lines = filter(lambda x:not x.startswith('\n'),lines) 
+    lines = filter(lambda x: not x.startswith('\n'), lines)
     texts = []
-    oneline=True
-    for l in  lines:
+    oneline = True
+    for l in lines:
         if not l.startswith('#'):
             if l.startswith('.blank'):
                 for i in range(int(l.split(' ')[1])):
-                    texts.append(['\n','\n'])
-            elif  l.startswith('..'):
-                texts.append([l[2:],''])
-                oneline=True
+                    texts.append(['\n', '\n'])
+            elif l.startswith('..'):
+                texts.append([l[2:], ''])
+                oneline = True
             else:
                 if oneline:
-                    texts.append(['',l])
-                    oneline=False
+                    texts.append(['', l])
+                    oneline = False
                 else:
-                    texts.append(['\n',l])
+                    texts.append(['\n', l])
                
-    left,right = [ "".join(l) for l in zip(*texts)]
+    left, right = ["".join(l) for l in zip(*texts)]
     
     # MAKE TWO COLUMNS FOR THE CREDITS
     
-    left,right =  [TextClip(txt,color=color,stroke_color=stroke_color,
-                                stroke_width=stroke_width,font=font,
-                                fontsize=fontsize,align=al)
-               for txt,al in [(left,'East'),(right,'West')]]
-               
+    left, right = [TextClip(txt, color=color, stroke_color=stroke_color,
+                            stroke_width=stroke_width, font=font,
+                            fontsize=fontsize, align=al)
+                   for txt, al in [(left, 'East'), (right, 'West')]]
 
-    cc = CompositeVideoClip( [left, right.set_pos((left.w+gap,0))],
-                             size = (left.w+right.w+gap,right.h),
-                             transparent=True)
+    cc = CompositeVideoClip([left, right.set_pos((left.w+gap, 0))],
+                            size=(left.w+right.w+gap, right.h),
+                            transparent=True)
     
     # SCALE TO THE REQUIRED SIZE
     
-    scaled = cc.fx(resize , width=width)
+    scaled = cc.fx(resize, width=width)
     
     # TRANSFORM THE WHOLE CREDIT CLIP INTO AN ImageCLip
     
     imclip = ImageClip(scaled.get_frame(0))
-    amask = ImageClip(scaled.mask.get_frame(0),ismask=True)
+    amask = ImageClip(scaled.mask.get_frame(0), ismask=True)
     
     return imclip.set_mask(amask)