Change logging level of task raising an exception

(Tasks are expected to raise exceptions often, thus it is should not be logged as error)

pikatasks/__init__.py

@@ -165,7 +165,7 @@ def task(name):
             except Exception as e:
                 e_class = e.__class__.__qualname__
                 e_details = traceback.format_exc()
-                logger.error("Task {task_name} function raised {e_class}: {e}. {e_details}".format(**locals()))
+                logger.info("Task {task_name} function raised {e_class}: {e}. {e_details}".format(**locals()))
                 func_error = "Task {task_name} raised {e_class} (see worker log for details).".format(**locals())  # sort of anonymized
             if properties.reply_to:
                 try:

setup.py

@@ -13,7 +13,7 @@ setup(
     packages=find_packages(),
     include_package_data=True,
     license='BSD',
-    description='Minimal RPC with pika, 100.02% skookum.',
+    description='Minimal RPC with pika.',
     long_description=README,
     url='https://lab.it.hs-hannover.de/django/pikatasks',
     author='Art Lukyanchyk',