diff --git a/rhodecode/api/__init__.py b/rhodecode/api/__init__.py
--- a/rhodecode/api/__init__.py
+++ b/rhodecode/api/__init__.py
@@ -18,7 +18,6 @@
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
-import inspect
 import itertools
 import logging
 import sys
@@ -186,10 +185,12 @@ def request_view(request):
     Main request handling method. It handles all logic to call a specific
     exposed method
     """
+    # cython compatible inspect
+    from rhodecode.config.patches import inspect_getargspec
+    inspect = inspect_getargspec()
 
     # check if we can find this session using api_key, get_by_auth_token
     # search not expired tokens only
-
     try:
         api_user = User.get_by_auth_token(request.rpc_api_key)
 
diff --git a/rhodecode/api/views/server_api.py b/rhodecode/api/views/server_api.py
--- a/rhodecode/api/views/server_api.py
+++ b/rhodecode/api/views/server_api.py
@@ -18,7 +18,6 @@
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
-import inspect
 import logging
 import itertools
 import base64
@@ -334,6 +333,9 @@ def get_method(request, apiuser, pattern
       ]
       error :  null
     """
+    from rhodecode.config.patches import inspect_getargspec
+    inspect = inspect_getargspec()
+
     if not has_superadmin_permission(apiuser):
         raise JSONRPCForbidden()
 
diff --git a/rhodecode/config/patches.py b/rhodecode/config/patches.py
--- a/rhodecode/config/patches.py
+++ b/rhodecode/config/patches.py
@@ -95,3 +95,5 @@ def inspect_getargspec():
         return inspect.ArgSpec(args, varargs, varkw, func.func_defaults)
 
     inspect.getargspec = custom_getargspec
+
+    return inspect
diff --git a/rhodecode/lib/auth.py b/rhodecode/lib/auth.py
--- a/rhodecode/lib/auth.py
+++ b/rhodecode/lib/auth.py
@@ -24,7 +24,6 @@ authentication and permission libraries
 
 import os
 import time
-import inspect
 import collections
 import fnmatch
 import hashlib
@@ -2013,6 +2012,7 @@ class PermsFunction(object):
         self.user_group_name = None
 
     def __bool__(self):
+        import inspect
         frame = inspect.currentframe()
         stack_trace = traceback.format_stack(frame)
         log.error('Checking bool value on a class instance of perm '