Extract httpBasic from function header

freqtrade/rpc/api_server/api_auth.py

@@ -26,6 +26,7 @@ def verify_auth(api_config, username: str, password: str):
 
 
 httpbasic = HTTPBasic(auto_error=False)
+security = HTTPBasic()
 oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token", auto_error=False)
 
 
@@ -117,7 +118,7 @@ def http_basic_or_jwt_token(form_data: HTTPBasicCredentials = Depends(httpbasic)
 
 
 @router_login.post('/token/login', response_model=AccessAndRefreshToken)
-def token_login(form_data: HTTPBasicCredentials = Depends(HTTPBasic()),
+def token_login(form_data: HTTPBasicCredentials = Depends(security),
                 api_config=Depends(get_api_config)):
 
     if verify_auth(api_config, form_data.username, form_data.password):

freqtrade/rpc/rpc.py

@@ -460,8 +460,10 @@ class RPC:
 
     def _rpc_trade_statistics(
             self, stake_currency: str, fiat_display_currency: str,
-            start_date: datetime = datetime.fromtimestamp(0)) -> Dict[str, Any]:
+            start_date: Optional[datetime] = None) -> Dict[str, Any]:
         """ Returns cumulative profit statistics """
+        if start_date is None:
+            start_date = datetime.fromtimestamp(0)
         trade_filter = ((Trade.is_open.is_(False) & (Trade.close_date >= start_date)) |
                         Trade.is_open.is_(True))
         trades: Sequence[Trade] = Trade.session.scalars(Trade.get_trades_query(