if column name=='dtype' catch exception

Author: baidoosik

pandas/core/computation/expressions.py

@@ -159,7 +159,11 @@ def _where_numexpr(cond, a, b):
 
 def _has_bool_dtype(x):
     try:
-        return x.dtype == bool
+        if not isinstance(x.dtype, np.dtype):
+            x = x.rename({'dtype': 'temporary_dtype'}, axis=1)
+            return x.dtype == bool
+        else:
+            return x.dtype == bool
     except AttributeError:
         try:
             return 'bool' in x.dtypes