diff --git a/daemon.py b/daemon.py
index a50bce011..87825fd28 100644
--- a/daemon.py
+++ b/daemon.py
@@ -1633,10 +1633,9 @@ class PubServer(BaseHTTPRequestHandler):
               account_outbox_thread_name + '/' +
               str(self.server.outbox_thread_index[account_outbox_thread_name]))
         print('THREAD: _post_to_outbox')
-        message_json_copy = message_json.copy()
         self.server.outboxThread[account_outbox_thread_name][index] = \
             thread_with_trace(target=self._post_to_outbox,
-                              args=(message_json_copy,
+                              args=(message_json.copy(),
                                     self.server.project_version, None,
                                     curr_session, proxy_type),
                               daemon=True)
diff --git a/posts.py b/posts.py
index 30591ebf9..09019cbbe 100644
--- a/posts.py
+++ b/posts.py
@@ -2495,16 +2495,14 @@ def send_post(signing_priv_key_pem: str, project_version: str,
         send_threads.pop(0)
         print('WARN: thread killed')
     print('THREAD: thread_send_post')
-    signature_header_json_copy = signature_header_json.copy()
-    signature_header_json_ld_copy = signature_header_json_ld.copy()
     thr = \
         thread_with_trace(target=thread_send_post,
                           args=(session,
                                 post_json_str,
                                 federation_list,
                                 inbox_url, base_dir,
-                                signature_header_json_copy,
-                                signature_header_json_ld_copy,
+                                signature_header_json.copy(),
+                                signature_header_json_ld.copy(),
                                 post_log, debug, http_prefix,
                                 domain_full), daemon=True)
     send_threads.append(thr)
@@ -2907,16 +2905,14 @@ def send_signed_json(post_json_object: {}, session, base_dir: str,
         pprint(post_json_object)
     domain_full = get_full_domain(domain, port)
     print('THREAD: thread_send_post 2')
-    signature_header_json_copy = signature_header_json.copy(),
-    signature_header_json_ld_copy = signature_header_json_ld.copy(),
     thr = \
         thread_with_trace(target=thread_send_post,
                           args=(session,
                                 post_json_str,
                                 federation_list,
                                 inbox_url, base_dir,
-                                signature_header_json_copy,
-                                signature_header_json_ld_copy,
+                                signature_header_json.copy(),
+                                signature_header_json_ld.copy(),
                                 post_log, debug,
                                 http_prefix, domain_full), daemon=True)
     send_threads.append(thr)
@@ -3492,7 +3488,6 @@ def send_to_followers_thread(server, session, session_onion, session_i2p,
     """Returns a thread used to send a post to followers
     """
     print('THREAD: send_to_followers')
-    post_json_object_copy = post_json_object.copy()
     send_thread = \
         thread_with_trace(target=send_to_followers,
                           args=(server, session, session_onion, session_i2p,
@@ -3501,7 +3496,7 @@ def send_to_followers_thread(server, session, session_onion, session_i2p,
                                 http_prefix, federation_list,
                                 send_threads, post_log,
                                 cached_webfingers, person_cache,
-                                post_json_object_copy, debug,
+                                post_json_object.copy(), debug,
                                 project_version,
                                 shared_items_federated_domains,
                                 shared_item_federation_tokens,
diff --git a/tests.py b/tests.py
index 3ac6ca736..fd0fed64c 100644
--- a/tests.py
+++ b/tests.py
@@ -4950,10 +4950,10 @@ def _test_thread_functions():
                     arg_ctr += 1
                     continue
                 last_arg = False
-                if '(' in func_arg:
+                if '(' in func_arg and '()' not in func_arg:
                     func_arg = func_arg.split('(')[1]
 
-                if func_arg.endswith(')'):
+                if func_arg.endswith(')') and '()' not in func_arg:
                     func_arg = func_arg.split(')')[0]
                     last_arg = True
                 func_arg = func_arg.strip()