fix completely dry runs in case (no dict creation)

jona-sassenhagen · jona-sassenhagen · commit 70d389565eb3 · 2015-10-10T11:09:47.000+02:00
diff --git a/mne/preprocessing/ica.py b/mne/preprocessing/ica.py
@@ -2433,9 +2433,9 @@ def corrmap(icas, template, threshold="auto", label=None,
                 subjs.extend([ii] * len(max_corr))
                 indices.extend(max_corr)
         else:
-            if label not in ica.labels_.keys():
-                ica.labels_[label] = []
-            nones.append(ii)
+          if (label is not None) and (label not in ica.labels_.keys()):
+            ica.labels_[label] = list()
+          nones.append(ii)
 
     if len(nones) == 0:
         logger.info('At least 1 IC detected for each subject.')
