upgrade dev deps; fix catching YAMLError

requirements_dev.txt

@@ -1,9 +1,31 @@
-flake8==3.7.8
-tox==2.3.1
-coverage==4.1
-pluggy==0.6.0
-pytest==3.5.0
-pytest-cov==2.5.1
-mypy==0.740
 aiohttp==3.7.4
-pytz
+appdirs==1.4.4
+async-timeout==3.0.1
+attrs==21.2.0
+chardet==3.0.4
+coverage==5.5
+distlib==0.3.2
+filelock==3.0.12
+flake8==3.9.2
+idna==3.2
+iniconfig==1.1.1
+mccabe==0.6.1
+multidict==5.1.0
+mypy==0.910
+mypy-extensions==0.4.3
+packaging==20.9
+pluggy==0.13.1
+py==1.10.0
+pycodestyle==2.7.0
+pyflakes==2.3.1
+pyparsing==2.4.7
+pytest==6.2.4
+pytest-cov==2.12.1
+pytz==2021.1
+six==1.16.0
+toml==0.10.2
+tox==3.23.1
+typing-extensions==3.10.0.0
+virtualenv==20.4.7
+yarl==1.6.3
+types-pytz==2021.1.0

tox.ini

@@ -15,7 +15,9 @@ commands=flake8 yacron tests
 
 [testenv:mypy]
 basepython=python3
-deps=mypy
+deps=
+	mypy
+	types-pytz
 commands=mypy -p yacron --ignore-missing-imports
 
 

yacron/config.py

@@ -20,7 +20,7 @@
     Str,
     MapPattern,
 )
-from ruamel.yaml.error import YAMLError
+from strictyaml.ruamel.error import YAMLError
 
 from crontab import CronTab