fix unused imports

app/main.py

@@ -5,7 +5,6 @@ import logging
 import aiohttp_jinja2
 import jinja2
 from aiohttp import web
-from aiohttp_basicauth import BasicAuthMiddleware
 
 from .telegram import Client
 from .routes import setup_routes
@@ -17,32 +16,32 @@ log = logging.getLogger(__name__)
 
 
 class Indexer:
-    
+
     TEMPLATES_ROOT = pathlib.Path(__file__).parent / 'templates'
-    
+
     def __init__(self):
         self.server = web.Application()
         self.loop = asyncio.get_event_loop()
         self.tg_client = Client(session_string, api_id, api_hash)
-    
-    
+
+
     async def startup(self):
         await self.tg_client.start()
         log.debug("telegram client started!")
-        
+
         await setup_routes(self.server, Views(self.tg_client))
-        
+
         loader = jinja2.FileSystemLoader(str(self.TEMPLATES_ROOT))
         aiohttp_jinja2.setup(self.server, loader=loader)
-        
+
         self.server.on_cleanup.append(self.cleanup)
-        
-    
+
+
     async def cleanup(self, *args):
         await self.tg_client.disconnect()
         log.debug("telegram client disconnected!")
-    
-    
+
+
     def run(self):
         self.loop.run_until_complete(self.startup())
         web.run_app(self.server, host=host, port=port)