Fix flake8 errors and add unified logging calls.

Author: krasoffski

pytest_reportportal/rp_logging.py

@@ -58,7 +58,7 @@ def emit(self, record):
             msg = self.format(record)
         except (KeyboardInterrupt, SystemExit):
             raise
-        except:
+        except Exception:
             self.handleError(record)
 
         for level in self._sorted_levelnos:

pytest_reportportal/service.py

@@ -39,10 +39,8 @@ def init_service(self, endpoint, project, uuid, log_batch_size,
         if self.RP is None:
             self.ignore_errors = ignore_errors
             self.ignored_tags = ignored_tags
-            logging.debug(
-                msg='ReportPortal - Init service: '
-                    'endpoint={0}, project={1}, uuid={2}'.
-                    format(endpoint, project, uuid))
+            logging.debug('ReportPortal - Init service: endpoint=%s, '
+                          'project=%s, uuid=%s', endpoint, project, uuid)
             self.RP = ReportPortalServiceAsync(
                 endpoint=endpoint,
                 project=project,