Remove misleading parentheses from assert

ibnIrshad · ibnIrshad · Mar 4, 2017 · Aug 29, 2015 · Sep 1, 2015 · Jan 28, 2017
commit fe52808d4381d020eeda95873508766a6db68d91
diff --git a/lib/matplotlib/dviread.py b/lib/matplotlib/dviread.py
@@ -915,7 +915,7 @@ def _register(self, words):
 
         # input must be bytestrings (the file format is ASCII)
         for word in words:
-            assert(isinstance(word, bytes))
+            assert isinstance(word, bytes)
 
         texname, psname = words[:2]
         effects, encoding, filename = b'', None, None