perf: Use operator module instead of lambda

dataset/distribution/value.py

@@ -10,6 +10,7 @@
 
 import datetime
 import functools
+from operator import itemgetter
 
 from pelican.util.checks import get_empty_result_dataset
 from pelican.util.getter import deep_get, get_amount, get_values
@@ -71,7 +72,7 @@ def get_result(scope):
         result["meta"] = {"reason": "sum is 0, causing division by zero error"}
         return result
 
-    sorted_values = sorted(values, key=lambda item: item["abs_amount"], reverse=True)
+    sorted_values = sorted(values, key=itemgetter("abs_amount"), reverse=True)
     percent_size = int(count / 100)
     percent_index_1 = percent_size
     percent_index_5 = 5 * percent_size

pelican/util/currency_converter.py

@@ -1,5 +1,6 @@
 import datetime
 import os
+from operator import itemgetter
 
 from pelican.util import settings
 
@@ -26,7 +27,7 @@ def import_data(data: list[tuple[datetime.date, dict[str, float]]]) -> None:
     for item in data:
         currencies.update(item[1].keys())
 
-    data.sort(key=lambda k: k[0])
+    data.sort(key=itemgetter(0))
 
     if settings.CURRENCY_CONVERTER_INTERPOLATION:
         real_data_dates: dict[str, list[datetime.date]] = {currency: [] for currency in currencies}