Delete env_test directory

env_test/Lib/site-packages/setuptools/_distutils/py35compat.py

@@ -1,19 +0,0 @@
-import sys
-import subprocess
-
-
-def __optim_args_from_interpreter_flags():
-    """Return a list of command-line arguments reproducing the current
-    optimization settings in sys.flags."""
-    args = []
-    value = sys.flags.optimize
-    if value > 0:
-        args.append("-" + "O" * value)
-    return args
-
-
-_optim_args_from_interpreter_flags = getattr(
-    subprocess,
-    "_optim_args_from_interpreter_flags",
-    __optim_args_from_interpreter_flags,
-)