Fix a mistake

pearu · pearu · commit 7b229a277a2a · 2021-09-01T12:14:09.000+03:00
diff --git a/numpy/f2py/symbolic.py b/numpy/f2py/symbolic.py
@@ -99,7 +99,7 @@ def _pairs_add(d, k, v):
             del d[k]
 
 
-class ExprWarning(warnings.UserWarning):
+class ExprWarning(UserWarning):
     pass
 
 
