Relocate import

Author: StanFromIreland

Lib/encodings/__init__.py

@@ -29,7 +29,6 @@
 """
 
 import codecs
-import warnings
 import sys
 from . import aliases
 
@@ -57,6 +56,7 @@ def normalize_encoding(encoding):
         encoding = str(encoding, "ascii")
 
     if not encoding.isascii():
+        import warnings
         warnings.warn(
             "Support for non-ascii encoding names will be removed in 3.17",
             DeprecationWarning, stacklevel=2)