ruff formatting

Author: RemDelaporteMathurin

src/festim/helpers.py

@@ -325,7 +325,7 @@ def is_it_time_to_export(
     """
     Checks if the exported field should be written to a file or not based on the
     current time and the times in `export.times'
-    
+
     After a successful match, the corresponding time is removed from the list to
     prevent multiple exports for the same target time.
 
@@ -341,7 +341,7 @@ def is_it_time_to_export(
     """
     if times is None:
         return True
-    
+
     for i, time in enumerate(times):
         if np.isclose(time, current_time, atol=atol, rtol=rtol):
             times.pop(i)  # consume the time so it is not exported again
@@ -350,7 +350,6 @@ def is_it_time_to_export(
     return False
 
 
-
 _residual0 = 0
 _prev_xnorm = 0