Merge pull request #121 from cpennington/allow-integer-arguments

Handle printing queries with integer arguments

Author: syrusakbary

graphql/language/printer.py

@@ -47,7 +47,7 @@ def leave_Field(self, node, *args):
         ], ' ')
 
     def leave_Argument(self, node, *args):
-        return node.name + ': ' + node.value
+        return '{0.name}: {0.value}'.format(node)
 
     # Fragments