[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

src/humanize/number.py

@@ -27,8 +27,7 @@
 
 
 def format_non_finite(value: float) -> str:
-    """Utility function to handle infinite and nan cases.
-    """
+    """Utility function to handle infinite and nan cases."""
     if math.isnan(value):
         return "NaN"
     if math.isinf(value) and value < 0: