Update setup.py

Author: arjunsuresh

setup.py

@@ -140,16 +140,19 @@ def command_exists(self, command):
     def custom_function(self):
         commit_hash = get_commit_hash()
         import cmind
-        r = cmind.access({'action': 'rm',
+        clean_mlops_repo = os.environ.get('CM_MLOPS_CLEAN_REPO', 'false')
+        if str(clean_mlops_repo).lower() not in ["no", "0", "false", "off"]:
+            r = cmind.access({'action': 'rm',
                           'automation': 'repo',
                           'artifact': 'mlcommons@cm4mlops',
                           'force': True,
                           'all': True})
+
         branch = os.environ.get('CM_MLOPS_REPO_BRANCH', 'dev')
         pull_default_mlops_repo = os.environ.get(
             'CM_PULL_DEFAULT_MLOPS_REPO', 'true')
 
-        if str(pull_default_mlops_repo).lower() not in ["no", "0", "false"]:
+        if str(pull_default_mlops_repo).lower() not in ["no", "0", "false", "off"]:
             r = cmind.access({'action': 'pull',
                               'automation': 'repo',
                               'artifact': 'mlcommons@mlperf-automations',