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-rw-r--r--python/collateral/__main__.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/python/collateral/__main__.py b/python/collateral/__main__.py
index 4f3ad1ce..900d2138 100644
--- a/python/collateral/__main__.py
+++ b/python/collateral/__main__.py
@@ -12,7 +12,8 @@ import logging
fh = SerenitasFileHandler("collateral_calc.log")
logger = logging.getLogger("collateral")
-logger.addHandler(fh)
+if not logger.handlers:
+ logger.addHandler(fh)
logger.setLevel(logging.WARNING)
parser = argparse.ArgumentParser()