py3: remove compat module usage

vcsserver/http_main.py

@@ -29,10 +29,10 b' from io import StringIO'
 
 import simplejson as json
 import msgpack
+import configparser
 from pyramid.config import Configurator
 from pyramid.settings import asbool, aslist
 from pyramid.wsgi import wsgiapp
-from pyramid.compat import configparser
 from pyramid.response import Response
 
 from vcsserver.utils import safe_int

vcsserver/lib/exc_tracking.py

@@ -26,8 +26,6 b' import logging'
 import traceback
 import tempfile
 
-from pyramid import compat
-
 log = logging.getLogger(__name__)
 
 # NOTE: Any changes should be synced with exc_tracking at rhodecode.lib.exc_tracking
@@ -77,7 +75,7 b' def _store_exception(exc_id, exc_info, p'
     detailed_tb = getattr(exc_value, '_org_exc_tb', None)
 
     if detailed_tb:
-        if isinstance(detailed_tb, compat.string_types):
+        if isinstance(detailed_tb, str):
             remote_tb = [detailed_tb]
 
         tb += (

vcsserver/lib/rc_cache/backends.py

@@ -26,7 +26,7 b' from dogpile.cache.api import CachedValu'
 from dogpile.cache.backends import memory as memory_backend
 from dogpile.cache.backends import file as file_backend
 from dogpile.cache.backends import redis as redis_backend
-from dogpile.cache.backends.file import NO_VALUE, compat, FileLock
+from dogpile.cache.backends.file import NO_VALUE, FileLock
 from dogpile.cache.util import memoized_property
 
 from vcsserver.lib.memory_lru_dict import LRUDict, LRUDictDebug
@@ -67,7 +67,7 b' class PickleSerializer(object):'
 
     def _dumps(self, value, safe=False):
         try:
-            return compat.pickle.dumps(value)
+            return pickle.dumps(value)
         except Exception:
             if safe:
                 return NO_VALUE
@@ -76,7 +76,7 b' class PickleSerializer(object):'
 
     def _loads(self, value, safe=True):
         try:
-            return compat.pickle.loads(value)
+            return pickle.loads(value)
         except Exception:
             if safe:
                 return NO_VALUE