diff --git a/freqtrade/plugins/pairlist/IPairList.py b/freqtrade/plugins/pairlist/IPairList.py
index 7be86df7e..4e566f899 100644
--- a/freqtrade/plugins/pairlist/IPairList.py
+++ b/freqtrade/plugins/pairlist/IPairList.py
@@ -38,6 +38,7 @@ class __OptionPairlistParameter(__PairlistParameterBase):
     default: Union[str, None]
     options: List[str]
 
+
 class __ListPairListParamenter(__PairlistParameterBase):
     type: Literal["list"]
     default: Union[List[str], None]
@@ -54,7 +55,7 @@ PairlistParameter = Union[
     __StringPairlistParameter,
     __OptionPairlistParameter,
     __BoolPairlistParameter,
-    __ListPairListParamenter
+    __ListPairListParamenter,
 ]
 
 
@@ -74,12 +75,12 @@ class IPairList(LoggingMixin, ABC):
     supports_backtesting: SupportsBacktesting = SupportsBacktesting.NO
 
     def __init__(
-            self,
-            exchange: Exchange,
-            pairlistmanager,
-            config: Config,
-            pairlistconfig: Dict[str, Any],
-            pairlist_pos: int,
+        self,
+        exchange: Exchange,
+        pairlistmanager,
+        config: Config,
+        pairlistconfig: Dict[str, Any],
+        pairlist_pos: int,
     ) -> None:
         """
         :param exchange: Exchange instance
@@ -219,7 +220,7 @@ class IPairList(LoggingMixin, ABC):
         return self._pairlistmanager.verify_blacklist(pairlist, logmethod)
 
     def verify_whitelist(
-            self, pairlist: List[str], logmethod, keep_invalid: bool = False
+        self, pairlist: List[str], logmethod, keep_invalid: bool = False
     ) -> List[str]:
         """
         Proxy method to verify_whitelist for easy access for child classes.
diff --git a/freqtrade/plugins/pairlist/MarketCapPairList.py b/freqtrade/plugins/pairlist/MarketCapPairList.py
index b9461589d..922d5235c 100644
--- a/freqtrade/plugins/pairlist/MarketCapPairList.py
+++ b/freqtrade/plugins/pairlist/MarketCapPairList.py
@@ -47,12 +47,13 @@ class MarketCapPairList(IPairList):
 
         if self._categories:
             categories = self._coingecko.get_coins_categories_list()
-            category_ids = [cat['category_id'] for cat in categories]
+            category_ids = [cat["category_id"] for cat in categories]
 
             for category in self._categories:
                 if category not in category_ids:
                     raise OperationalException(
-                        f"category not in coingecko category list you can choose from {category_ids}")
+                        f"category not in coingecko category list you can choose from {category_ids}"
+                    )
 
         if self._max_rank > 250:
             raise OperationalException("This filter only support marketcap rank up to 250.")
@@ -160,18 +161,15 @@ class MarketCapPairList(IPairList):
             data = []
 
             if not self._categories:
-                data = self._coingecko.get_coins_markets(
-                    **default_kwargs
-                )
+                data = self._coingecko.get_coins_markets(**default_kwargs)
             else:
                 for category in self._categories:
                     category_data = self._coingecko.get_coins_markets(
-                        **default_kwargs,
-                        **({"category": category} if category else {})
+                        **default_kwargs, **({"category": category} if category else {})
                     )
                     data += category_data
 
-            data.sort(key=lambda d: float(d['market_cap'] or 0.0), reverse=True)
+            data.sort(key=lambda d: float(d["market_cap"] or 0.0), reverse=True)
 
             if data:
                 marketcap_list = [row["symbol"] for row in data]
@@ -185,7 +183,7 @@ class MarketCapPairList(IPairList):
             if market == "futures":
                 pair_format += f":{self._stake_currency.upper()}"
 
-            top_marketcap = marketcap_list[: self._max_rank:]
+            top_marketcap = marketcap_list[: self._max_rank :]
 
             for mc_pair in top_marketcap:
                 test_pair = f"{mc_pair.upper()}/{pair_format}"