demo + utils venv

utils/venv/lib/python3.6/site-packages/pandas/util/_exceptions.py

@@ -0,0 +1,16 @@
+import contextlib
+
+
+@contextlib.contextmanager
+def rewrite_exception(old_name, new_name):
+    """Rewrite the message of an exception."""
+    try:
+        yield
+    except Exception as e:
+        msg = e.args[0]
+        msg = msg.replace(old_name, new_name)
+        args = (msg,)
+        if len(e.args) > 1:
+            args = args + e.args[1:]
+        e.args = args
+        raise