flake8 fixes

core/dbt/events/functions.py

@@ -23,4 +23,6 @@ def fire_event(e: Event) -> None:
         elif e.level_tag() == 'error':
             logger.GLOBAL_LOGGER.error(logger.timestamped_line(e.cli_msg()))
         else:
-            raise AssertionError(f"Event type {type(e).__name__} has unhandled level: {e.level_tag()}")
+            raise AssertionError(
+                f"Event type {type(e).__name__} has unhandled level: {e.level_tag()}"
+            )

core/dbt/events/types.py

@@ -1,6 +1,5 @@
 from abc import ABCMeta, abstractmethod
 from dataclasses import dataclass
-import dbt
 
 
 # types to represent log levels
@@ -101,6 +100,7 @@ def cli_msg(self) -> str:
 @dataclass
 class ReportPerformancePath(InfoLevel, CliEventABC):
     path: str
+
     def cli_msg(self) -> str:
         return f"Performance info: {self.path}"
 

core/dbt/task/parse.py

@@ -11,7 +11,7 @@
 from dbt.parser.manifest import (
     Manifest, ManifestLoader, _check_manifest
 )
-from dbt.logger import DbtProcessState, print_timestamped_line
+from dbt.logger import DbtProcessState
 from dbt.clients.system import write_file
 from dbt.events.types import (
     ManifestDependenciesLoaded, ManifestLoaderCreated, ManifestLoaded, ManifestChecked,