bpo-43651: PEP 597: Fix EncodingWarning in some tests (GH-25145)
* test_asyncio
* test_bz2
* test_math
* test_cmath
* test_cmd_line
* test_cmd_line_script
* test_compile
* test_contextlib
* test_profile
* ctypes/test/test_find
* test_multiprocessing
* test_configparser
* test_csv
* test_dbm_dumb
* test_decimal
* test_difflib
* os.fdopen() calls io.text_encoding() to emit EncodingWarning for right place.
diff --git a/Lib/test/test_compile.py b/Lib/test/test_compile.py
index 591d5bb..c0de3be 100644
--- a/Lib/test/test_compile.py
+++ b/Lib/test/test_compile.py
@@ -427,7 +427,7 @@ def test_compile_ast(self):
fname = __file__
if fname.lower().endswith('pyc'):
fname = fname[:-1]
- with open(fname, 'r') as f:
+ with open(fname, encoding='utf-8') as f:
fcontents = f.read()
sample_code = [
['<assign>', 'x = 5'],