Some dict comprehension

rth · rth · commit f92887480bc6 · 2018-11-25T09:29:49.000+01:00
diff --git a/lib/matplotlib/animation.py b/lib/matplotlib/animation.py
@@ -128,10 +128,9 @@ def ensure_not_dirty(self):
 
     def reset_available_writers(self):
         """Reset the available state of all registered writers"""
-        self.avail = {}
-        for name, writerClass in self._registered.items():
-            if writerClass.isAvailable():
-                self.avail[name] = writerClass
+        self.avail = {name: writerClass
+                      for name, writerClass in self._registered.items()
+                      if writerClass.isAvailable()}
         self._dirty = False
 
     def list(self):
