refactor : network profiler

Make the `network` profiler thread safe

qase-python-commons/changelog.md

@@ -2,7 +2,8 @@
 
 ## What's new
 
-Add `clear` method to set the runtime to the base state. 
+- Add `clear` method to set the runtime to the base state.
+- Make the `network` profiler thread safe.
 
 # [email protected]
 

qase-python-commons/src/qase/commons/profilers/network.py

@@ -1,4 +1,5 @@
 import sys
+import threading
 import uuid
 from functools import wraps
 from ..models.runtime import Runtime
@@ -108,11 +109,14 @@ def _log_response(response, url=None, *args, **kwargs):
 
 class NetworkProfilerSingleton:
     _instance = None
+    _lock = threading.Lock()
 
     @staticmethod
     def init(**kwargs):
         if NetworkProfilerSingleton._instance is None:
-            NetworkProfilerSingleton._instance = NetworkProfiler(**kwargs)
+            with NetworkProfilerSingleton._lock:
+                if NetworkProfilerSingleton._instance is None:
+                    NetworkProfilerSingleton._instance = NetworkProfiler(**kwargs)
 
     @staticmethod
     def get_instance() -> NetworkProfiler: