Index: /fact/tools/pyscripts/sandbox/dneise/gain/gain.py
===================================================================
--- /fact/tools/pyscripts/sandbox/dneise/gain/gain.py	(revision 13443)
+++ /fact/tools/pyscripts/sandbox/dneise/gain/gain.py	(revision 13444)
@@ -74,5 +74,7 @@
 
     # this is a loop over all pixel of this event
-    for pixel_id, dat, fil, orig in enumerate(zip(data, filtered, data_orig)):
+    pixel_id = -1
+    for dat, fil, orig in zip(data, filtered, data_orig):
+        pixel_id += 1
         print 'pixel id:', pixel_id
         plt.cla()