semicolon instead of colon at function definition (#979)

Author: isidentical

pep-0336.txt

@@ -64,7 +64,7 @@ Before, checking function table entry against ``None``::
         def b(self, input):
             print 'b'
 
-        def c(self, input);
+        def c(self, input):
             print 'c'
 
         def __call__(self, input):
@@ -84,7 +84,7 @@ Before, using a local no effect method::
         def b(self, input):
             print 'b'
 
-        def c(self, input);
+        def c(self, input):
             print 'c'
 
         def nop(self, input):
@@ -106,7 +106,7 @@ After::
         def b(self, input):
             print 'b'
 
-        def c(self, input);
+        def c(self, input):
             print 'c'
 
         def __call__(self, input):