fix to function prototype

1 files changed, 3 insertions, 3 deletions

diff --git a/pysnmp/smi/compiler.py b/pysnmp/smi/compiler.py
index 80e041c..c5fc2d9 100644
--- a/pysnmp/smi/compiler.py
+++ b/pysnmp/smi/compiler.py
@@ -19,9 +19,9 @@ except ImportError:
     from pysnmp.smi import error
 
     def addMibCompiler(mibBuilder,
-                       sources=defaultSources,
-                       destination=defaultDest,
-                       borrowers=defaultBorrowers):
+                       sources=[],
+                       destination='',
+                       borrowers=[]):
         raise error.SmiError('MIB compiler not available (pysmi not installed)')
 
 else: