refactor: small code cleanup

FossilOrigin-Name: 1c7ae5f0c17d7a57e4624171c4e6ec378cfd6e220071387f3f1ac67f9b815326

src/rules/haspragma.nim

@@ -194,7 +194,7 @@ checkRule:
         for pragma in pragmas:
           try:
             strPragmas.add(y = $pragma)
-          except KeyError, Exception:
+          except:
             discard
         if rule.options[0].toLowerAscii != "unborrowed" or "borrow" notin strPragmas:
           # Check the node for each selected pragma