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-rw-r--r--src/fringlib/fringrenderer.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/fringlib/fringrenderer.py b/src/fringlib/fringrenderer.py
index 60256e5..3580a90 100644
--- a/src/fringlib/fringrenderer.py
+++ b/src/fringlib/fringrenderer.py
@@ -77,6 +77,7 @@ class FringRenderer:
value = self._list_value(d)
accumulated += value
+ if data.the_sum == 0: continue
end = start_angle+(end_angle - start_angle)*1.0*accumulated/data.the_sum
if end-start >= .01: