error is in json format

scripts/cucchiaiata-cli

@@ -4,7 +4,7 @@
 from sys import exit, argv
 from json import dumps
 from traceback import print_exc
-from cucchiaiata import Parser, config, Configuration
+from cucchiaiata import Parser, config, Configuration, JsonError
 from cucchiaiata.i18n import _
 
 
@@ -15,9 +15,15 @@ def main():
         else:
             parser = Parser()
             print(dumps(parser.get(),
-                        indent=config.indent))
+                        indent=config.indent),
+                        )
     except KeyboardInterrupt:
         pass
+    except JsonError as err:
+        print(dumps(err.message,
+                    indent=config.indent),
+                    )
+        exit(1)
     except Exception as err:
         if config.debug:
             print_exc()