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-rw-r--r--verif/checker/verifier.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/verif/checker/verifier.py b/verif/checker/verifier.py
index 684bea3..839aec2 100644
--- a/verif/checker/verifier.py
+++ b/verif/checker/verifier.py
@@ -48,7 +48,7 @@ class VerifierLibrary:
def __init__(self, verify_lib_path):
"""Find the library and set up the interface."""
self.lib_path = verify_lib_path
- if not self.lib_path.is_file():
+ if self.lib_path is None or not self.lib_path.is_file():
raise VerifierError(f"Could not find verify library - {self.lib_path}")
self.lib = ct.cdll.LoadLibrary(self.lib_path)