small touchups related to precommit additions

Author: gnikonorov

.pre-commit-config.yaml

@@ -21,7 +21,7 @@ repos:
            language_version: python3
            additional_dependencies: [flake8-typing-imports==1.9.0]
     - repo: https://github.com/asottile/reorder_python_imports
-      rev: v2.3.0
+      rev: v2.3.2
       hooks:
          - id: reorder-python-imports
            args: ['--application-directories=.:src', --py3-plus]

.travis.yml

@@ -17,5 +17,5 @@ install:
   - pip install -q pre-commit
   - pre-commit install
 script:
-  - pre-commit run --all-files --show-diff-on-failure
+  - if [ $TRAVIS_PYTHON_VERSION -ge 3.6 ]; pre-commit run --all-files --show-diff-on-failure; fi
   - py.test

pytest_rerunfailures.py

@@ -155,7 +155,7 @@ def get_reruns_delay(item):
     if delay < 0:
         delay = 0
         warnings.warn(
-            "Delay time between re-runs cannot be < 0. " "Using default value: 0"
+            "Delay time between re-runs cannot be < 0. Using default value: 0"
         )
 
     return delay