Fix scans size check

src/daxs/scans.py

@@ -418,7 +418,7 @@ class Scans:
         mean = np.mean(sizes)
         std = np.std(sizes)
 
-        if len([abs(mean - size) > std for size in sizes]) > 0:
+        if any(abs(size - mean) > std for size in sizes):
             logger.warning(
                 "The number of points in the selected scans have a "
                 "large spread (mean = %.2f, standard deviation: %.2f).",