Fixed jobs config section validation (#277)

Author: droserasprout

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 ### Fixed
 
+* config: Fixed `jobs` config section validation.
 * tzkt: Fixed `get_originated_contracts` and `get_similar_contracts` methods response.
 
 ## 5.0.0-rc3 - 2022-03-28

src/dipdup/config.py

@@ -985,7 +985,7 @@ class JobConfig(NameMixin):
     args: Dict[str, Any] = field(default_factory=dict)
 
     def __post_init_post_parse__(self):
-        schedules_enabled = map(lambda x: int(bool(x)), (self.crontab, self.interval, self.daemon))
+        schedules_enabled = sum(map(lambda x: int(bool(x)), (self.crontab, self.interval, self.daemon)))
         if schedules_enabled > 1:
             raise ConfigurationError('Only one of `crontab`, `interval` of `daemon` can be specified')
         elif not schedules_enabled: