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-rwxr-xr-xweb/webqtl/collection/ExportSelectionDetailInfoPage.py5
1 files changed, 4 insertions, 1 deletions
diff --git a/web/webqtl/collection/ExportSelectionDetailInfoPage.py b/web/webqtl/collection/ExportSelectionDetailInfoPage.py
index 69f293b2..a61b6f6e 100755
--- a/web/webqtl/collection/ExportSelectionDetailInfoPage.py
+++ b/web/webqtl/collection/ExportSelectionDetailInfoPage.py
@@ -128,7 +128,10 @@ class ExportSelectionDetailInfoPage(templatePage):
 							count = count + 1
 						except:
 							pass
-					mean = sum/count
+					if count = 0:
+						mean = 0
+					else:
+						mean = sum/count
 				text[-1].append(mean)
 				text[-1] += testval
 			if len(text[0]) < 255 or len(text) < 255: