Remove a stray quote.
diff --git a/Lib/pickletools.py b/Lib/pickletools.py
index f7cebe3..e744309 100644
--- a/Lib/pickletools.py
+++ b/Lib/pickletools.py
@@ -1510,7 +1510,7 @@
 # A pickle opcode generator.
 
 def genops(pickle):
-    """"Generate all the opcodes in a pickle.
+    """Generate all the opcodes in a pickle.
 
     'pickle' is a file-like object, or string, containing the pickle.