增加了util里的get_error_msg

venv/Lib/site-packages/backports/configparser/compat.py

@@ -0,0 +1,19 @@
+import types
+import io as _io
+
+
+def text_encoding(encoding, stacklevel=2):
+    """
+    Stubbed version of io.text_encoding as found in Python 3.10
+    """
+    return encoding
+
+
+def copy_module(mod, **defaults):
+    copy = types.ModuleType(mod.__name__, doc=mod.__doc__)
+    vars(copy).update(defaults)
+    vars(copy).update(vars(mod))
+    return copy
+
+
+io = copy_module(_io, text_encoding=text_encoding)