Formatting and fix Internal Server Error on upload

cista/app.py

@@ -2,7 +2,6 @@ import mimetypes
 from importlib.resources import files
 from urllib.parse import unquote
 
-from html5tagger import E
 from sanic import Blueprint, Sanic, raw
 from sanic.exceptions import Forbidden, NotFound
 
@@ -16,15 +15,18 @@ app.blueprint(auth.bp)
 app.blueprint(bp)
 app.exception(Exception)(handle_sanic_exception)
 
+
 @app.before_server_start
 async def main_start(app, loop):
     config.load_config()
     await watching.start(app, loop)
 
+
 @app.after_server_stop
 async def main_stop(app, loop):
     await watching.stop(app, loop)
 
+
 @app.on_request
 async def use_session(req):
     req.ctx.session = session.get(req)
@@ -41,13 +43,21 @@ async def use_session(req):
     if origin and origin.split("//", 1)[1] != req.host:
         raise Forbidden("Invalid origin: Cross-Site requests not permitted")
 
+
 @app.before_server_start
 def http_fileserver(app, _):
     bp = Blueprint("fileserver")
     bp.on_request(auth.verify)
-    bp.static("/files/", config.config.path, use_content_range=True, stream_large_files=True, directory_view=True)
+    bp.static(
+        "/files/",
+        config.config.path,
+        use_content_range=True,
+        stream_large_files=True,
+        directory_view=True,
+    )
     app.blueprint(bp)
 
+
 @app.get("/<path:path>", static=True)
 async def wwwroot(req, path=""):
     """Frontend files only"""
@@ -55,6 +65,8 @@ async def wwwroot(req, path=""):
     try:
         index = files("cista").joinpath("wwwroot", name).read_bytes()
     except OSError as e:
-        raise NotFound(f"File not found: /{path}", extra={"name": name, "exception": repr(e)})
+        raise NotFound(
+            f"File not found: /{path}", extra={"name": name, "exception": repr(e)}
+        )
     mime = mimetypes.guess_type(name)[0] or "application/octet-stream"
     return raw(index, content_type=mime)