[mod] remove deprecate code

remove code to support Python 3.5 and Python 3.6

searx/data/__init__.py

@@ -38,7 +38,7 @@ def ahmia_blacklist_loader():
     This function is used by :py:mod:`searx.plugins.ahmia_filter`.
 
     """
-    with open(str(data_dir / 'ahmia_blacklist.txt'), encoding='utf-8') as f:
+    with open(data_dir / 'ahmia_blacklist.txt', encoding='utf-8') as f:
         return f.read().split()
 
 

searx/network/__init__.py

@@ -5,41 +5,18 @@
 import asyncio
 import threading
 import concurrent.futures
+from queue import SimpleQueue
 from types import MethodType
 from timeit import default_timer
 from typing import Iterable, Tuple
 
 import httpx
 import anyio
-import h2.exceptions
 
 from .network import get_network, initialize, check_network_configuration
 from .client import get_loop
 from .raise_for_httperror import raise_for_httperror
 
-# queue.SimpleQueue: Support Python 3.6
-try:
-    from queue import SimpleQueue
-except ImportError:
-    from queue import Empty
-    from collections import deque
-
-    class SimpleQueue:
-        """Minimal backport of queue.SimpleQueue"""
-
-        def __init__(self):
-            self._queue = deque()
-            self._count = threading.Semaphore(0)
-
-        def put(self, item):
-            self._queue.append(item)
-            self._count.release()
-
-        def get(self):
-            if not self._count.acquire(True):  # pylint: disable=consider-using-with
-                raise Empty
-            return self._queue.popleft()
-
 
 THREADLOCAL = threading.local()
 """Thread-local data is data for thread specific values."""