exc-tracking: synced with CE code

vcsserver/lib/exc_tracking.py

@@ -141,7 +141,7 b' def get_request_metadata(request=None) -'
     return request_metadata
 
 
-def format_exc(exc_info):
+def format_exc(exc_info, use_detailed_tb=True):
     exc_type, exc_value, exc_traceback = exc_info
     tb = "++ TRACEBACK ++\n\n"
     tb += "".join(traceback.format_exception(exc_type, exc_value, exc_traceback, None))
@@ -163,6 +163,7 b' def format_exc(exc_info):'
         # Avoid that remote_tb also appears in the frame
         del remote_tb
     
+    if use_detailed_tb:
     locals_tb = get_detailed_tb(exc_info)
     if locals_tb:
         tb += f"\n+++ DETAILS +++\n\n{locals_tb}\n" ""