# HG changeset patch
# User osimons
# Date 1260359575 0
# Node ID 8ca05f45ed2e75f02ae09a13e478fbc0342f1be8
# Parent  3a665b40073c297177fba1bb49f076eff2d773b0
Fix a potential `ZeroDivisionError` in figleaf command. Closes #509.

Thanks to Andrea Tomasini and Felix Schwarz.

diff --git a/bitten/build/pythontools.py b/bitten/build/pythontools.py
--- a/bitten/build/pythontools.py
+++ b/bitten/build/pythontools.py
@@ -399,6 +399,8 @@
         modname = base.replace(os.path.sep, '.')
         realfilename = ctxt.resolve(filename)
         interesting_lines = get_lines(open(realfilename))
+        if not interesting_lines:
+            continue
         covered_lines = coverage_data.get(realfilename, set())
         percentage = int(round(len(covered_lines) * 100 / len(interesting_lines)))
         line_hits = []