fix: Fix broken example in Python 3.10 (#117)

Author: mgmacias95

examples/download_files.py

@@ -45,7 +45,7 @@ async def download_files(queue, args):
       queue.task_done()
 
 
-def main():
+async def main():
 
   parser = argparse.ArgumentParser(
       description=program_description)
@@ -77,21 +77,19 @@ def main():
   else:
     input_file = sys.stdin
 
-  loop = asyncio.get_event_loop()
-  queue = asyncio.Queue(loop=loop)
-  loop.create_task(read_hashes(queue, input_file))
+  queue = asyncio.Queue()
+  asyncio.create_task(read_hashes(queue, input_file))
 
   worker_tasks = []
   for _ in range(args.workers):
     worker_tasks.append(
-        loop.create_task(download_files(queue, args)))
+        asyncio.create_task(download_files(queue, args)))
 
   # Wait until all worker tasks has completed.
-  loop.run_until_complete(asyncio.gather(*worker_tasks))
-  loop.close()
+  await asyncio.gather(*worker_tasks)
   if input_file != sys.stdin:
     input_file.close()
 
 
 if __name__ == '__main__':
-  main()
+  asyncio.run(main())

vt/client.py

@@ -233,7 +233,6 @@ def _get_session(self):
       headers = {
           'X-Apikey': self._apikey,
           'Accept-Encoding': 'gzip',
-          'Content-Type': 'application/json',
           'User-Agent': _USER_AGENT_FMT.format_map({
               'agent': self._agent, 'version': __version__})
       }
@@ -577,6 +576,11 @@ def patch_object(self, path, *path_args, obj):
   async def patch_object_async(self, path, *path_args, obj):
     """Like :func:`patch_object` but returns a coroutine."""
     data = json.dumps({'data': obj.to_dict(modified_attributes_only=True)})
+
+    if self._user_headers is None:
+      self._user_headers = {}
+    self._user_headers['Content-Type'] = 'application/json'
+
     response = await self.patch_async(path, *path_args, data=data)
     return await self._response_to_object(response)
 
@@ -624,6 +628,11 @@ def post_object(self, path, *path_args, obj):
   async def post_object_async(self, path, *path_args, obj):
     """Like :func:`post_object` but returns a coroutine."""
     data = json.dumps({'data': obj.to_dict()})
+
+    if self._user_headers is None:
+      self._user_headers = {}
+    self._user_headers['Content-Type'] = 'application/json'
+
     response = await self.post_async(path, *path_args, data=data)
     return await self._response_to_object(response)