add more error messages for different numpy versions

Author: h-vetinari

pandas/core/strings.py

@@ -2345,12 +2345,13 @@ def _legal_dtype(series):
                 # no NaNs - can just concatenate
                 result = cat_core(all_cols, sep)
         except TypeError as exc:
-            m = re.match(r'can only concatenate str \(not \"(\w+)\"\) to str',
-                         str(exc))
-            if m:
-                raise TypeError(err_wrong_dtype
-                                + ' Received list-like containing element of'
-                                + ' type: {}'.format(m.group(1)))
+            if re.match((r'can only concatenate str \(not [\w\"]+) to str'
+                         r'|'  # different numpy version have...
+                         r'Can\'t convert [\w\']+ object to str implicitly'
+                         r'|'  # ... different error messages in np.sum
+                         r'must be str, not \w+'),
+                        str(exc)):
+                raise TypeError(err_wrong_dtype)
             raise exc
 
         if isinstance(self._orig, Index):