Add python_version phone home stat

synapse/app/homeserver.py

@@ -457,6 +457,8 @@ def run(hs):
         stats["homeserver"] = hs.config.server_name
         stats["timestamp"] = now
         stats["uptime_seconds"] = uptime
+        version = sys.version_info
+        stats["python_version"] = (version.major) + (version.minor / 10) + (version.micro / 100)
         stats["total_users"] = yield hs.get_datastore().count_all_users()
 
         total_nonbridged_users = yield hs.get_datastore().count_nonbridged_users()