diff --git a/freqtrade/rpc/api_server/api_schemas.py b/freqtrade/rpc/api_server/api_schemas.py
index 6f358155e..c280f453c 100644
--- a/freqtrade/rpc/api_server/api_schemas.py
+++ b/freqtrade/rpc/api_server/api_schemas.py
@@ -355,7 +355,7 @@ class PairHistory(BaseModel):
 
     class Config:
         json_encoders = {
-            datetime: lambda v: v.strftime(DATETIME_PRINT_FORMAT)
+            datetime: lambda v: v.strftime(DATETIME_PRINT_FORMAT),
         }
 
 
diff --git a/freqtrade/rpc/rpc.py b/freqtrade/rpc/rpc.py
index 033e32843..6a9692f21 100644
--- a/freqtrade/rpc/rpc.py
+++ b/freqtrade/rpc/rpc.py
@@ -963,10 +963,9 @@ class RPC:
                 sell_mask = (dataframe['sell'] == 1)
                 sell_signals = int(sell_mask.sum())
                 dataframe.loc[sell_mask, '_sell_signal_close'] = dataframe.loc[sell_mask, 'close']
-            """
-            band-aid until this is fixed:
-            https://github.com/pandas-dev/pandas/issues/45836
-            """
+
+            # band-aid until this is fixed:
+            # https://github.com/pandas-dev/pandas/issues/45836
             datetime_types = ['datetime', 'datetime64', 'datetime64[ns, UTC]']
             date_columns = dataframe.select_dtypes(include=datetime_types)
             for date_column in date_columns: