Clean up test output by removing ANSI escape sequences and non-printable characters

Author: Евгений Блинов

tests/test_base.py

@@ -133,6 +133,10 @@ def test_lambda_in_REPL():  # noqa: N802
     after = buffer.getvalue()
     print(after)  # noqa: T201
     print('------------')  # noqa: T201
+    after = re.compile(r'(?:\x1B[@-_]|\x9B)[0-?]*[ -/]*[@-~]').sub('', after.lstrip(before))
+    after = ''.join(ch for ch in after if ch >= ' ' or ch in '\n\r\t')
+    print(after)  # noqa: T201
+    print('------------')  # noqa: T201
     after = after.lstrip(before)
     print(after)  # noqa: T201
     print('------------')  # noqa: T201