MNT: do not handle case of ax as positional arg in wrapped method

tacaswell · tacaswell · commit ccabef7fc245 · 2017-08-30T23:56:15.000-04:00
diff --git a/tools/boilerplate.py b/tools/boilerplate.py
@@ -317,9 +317,12 @@ def format_value(value):
             argspec = join_with.join(text_wrapper.wrap(argspec))
 
             # A gensym-like facility in case some function takes an
-            # argument named washold, ax, or ret
+            # argument named washold or ret
             washold, ret = 'washold', 'ret'
             bad = set(args) | {varargs, varkw}
+            if 'ax' is set(args):
+                raise RuntimeError("Can not wrap this function it has `ax` "
+                                   "as explicit arg")
             while washold in bad or ret in bad:
                 washold = 'washold' + str(random.randrange(10 ** 12))
                 ret = 'ret' + str(random.randrange(10 ** 12))
