refactored function to check if any variant in a gene is a CNV

src/main/python/clinicalfilter/inheritance.py

@@ -170,11 +170,7 @@ def check_if_any_variant_is_cnv(self):
         """ checks if any of the variants in a gene are CNVs
         """
 
-        for var in self.variants:
-            if var.is_cnv():
-                return True
-
-        return False
+        return any([ x.is_cnv() for x in self.variants ])
 
     def check_compound_hets(self, variants):
         """ checks for compound hets within a gene