openapi-spec-validator strict requirement fix

.github/workflows/python-test.yml

@@ -23,10 +23,9 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: |
-        python -m pip install --upgrade pip
-        pip install -r requirements.txt
-        pip install -r requirements_dev.txt
-        pip install -e .
+        python -m pip install --upgrade pip setuptools
+        python -m pip install -r requirements_dev.txt
+        python -m pip install -e .[django,flask,requests]
     - name: Test
       run: python setup.py test
     - name: Upload coverage

setup.cfg

@@ -28,8 +28,8 @@ setup_requires =
 install_requires =
     isodate
     dictpath
-    openapi-spec-validator < 0.4.0
-    openapi-schema-validator < 0.2.0
+    openapi-spec-validator < 0.5.0
+    openapi-schema-validator < 0.3.0
     six
     lazy-object-proxy
     attrs
@@ -39,25 +39,34 @@ install_requires =
     backports.functools-lru-cache; python_version<"3.0"
     backports.functools-partialmethod; python_version<"3.0"
 tests_require =
-    mock; python_version<"3.0"
-    pytest
-    pytest-flake8 < 1.1.0
-    pytest-cov
-    flake8 < 4.0.0
+    mock == 2.0.0
+    pytest == 3.5.0
+    pytest-flake8 == 1.0.7
+    pytest-cov == 2.5.1
+    coverage == 5.5
+    djangorestframework == 3.9.4
+    flake8 == 3.9.2
     falcon
-    flask
+    falcon == 2.0.0; python_version<"3.0"
     responses
+    responses < 0.18.0; python_version<"3.0"
     webob
+    strict-rfc3339 == 0.7
 
 [options.packages.find]
 exclude =
     tests
 
 [options.extras_require]
 django = 
-    django>=2.2; python_version>="3.0"
-flask = flask
-requests = requests
+    django < 2.0; python_version<"3.0"
+    django >= 2.2; python_version>="3.0"
+flask = 
+    flask
+    flask < 2.0.0; python_version<"3.0"
+requests = 
+    requests
+    requests < 2.28.0; python_version<"3.0"
 
 [tool:pytest]
 addopts = -sv --flake8 --junitxml reports/junit.xml --cov openapi_core --cov-report term-missing --cov-report xml:reports/coverage.xml