Added conversion for str for git timestamps (#216)

* Added conversion for str for git timestamps

* Removed unused variable in stats.py to satisfy 'flake8' rule

Author: markovamaria

redis_benchmarks_specification/__cli__/cli.py

@@ -73,7 +73,7 @@ def get_commits(args, repo):
                         "git_hash": commit.hexsha,
                         "git_branch": repo.active_branch.name,
                         "commit_summary": commit.summary,
-                        "commit_datetime": commit_datetime,
+                        "commit_datetime": str(commit_datetime),
                     }
                 )
     return commits, total_commits

redis_benchmarks_specification/__cli__/stats.py

@@ -338,9 +338,6 @@ def generate_stats_cli_command_logic(args, project_name, project_version):
                     logging.warn("Unable to detect group in {}".format(cmd))
 
         priority_list = sorted(((priority[cmd], cmd) for cmd in priority), reverse=True)
-        priority_list_usecs = sorted(
-            ((priority_usecs[cmd], cmd) for cmd in priority_usecs), reverse=True
-        )
 
         priority_json = {}
         top_10_missing = []