diff --git a/.github/workflows/on_push.yaml b/.github/workflows/on_push.yaml
index cce14e0..c36dda2 100644
--- a/.github/workflows/on_push.yaml
+++ b/.github/workflows/on_push.yaml
@@ -15,7 +15,7 @@ jobs:
       - name: Setup Python # Set Python version
         uses: actions/setup-python@v4
         with:
-          python-version: '3.x'
+          python-version: '3.12'
       # Install pip and pytest
       - name: Install dependencies
         run: |
diff --git a/.github/workflows/on_release.yml b/.github/workflows/on_release.yml
index 84b3637..7ea5a8e 100644
--- a/.github/workflows/on_release.yml
+++ b/.github/workflows/on_release.yml
@@ -19,7 +19,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v3
         with:
-          python-version: '3.x'
+          python-version: '3.12'
 
       - name: Install deps
         run: |
diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index 042b609..639476f 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v4
         with:
-          python-version: 3.x
+          python-version: 3.12
       - run: echo "cache_id=$(date --utc '+%V')" >> $GITHUB_ENV
       - uses: actions/cache@v3
         with:
diff --git a/src/deep/api/tracepoint/eventsnapshot.py b/src/deep/api/tracepoint/eventsnapshot.py
index 719024c..587c23c 100644
--- a/src/deep/api/tracepoint/eventsnapshot.py
+++ b/src/deep/api/tracepoint/eventsnapshot.py
@@ -257,7 +257,7 @@ def __repr__(self) -> str:
         return self.__str__()
 
     def __eq__(self, o) -> bool:
-        if type(o) != VariableId:
+        if not isinstance(o, VariableId):
             return False
 
         if id(o) == id(self):
diff --git a/test/test_deep/processor/test_variable_processor.py b/test/test_deep/processor/test_variable_processor.py
index a45c5f9..1b9fd7e 100644
--- a/test/test_deep/processor/test_variable_processor.py
+++ b/test/test_deep/processor/test_variable_processor.py
@@ -27,7 +27,7 @@ class MockVariable(Variable):
 
     def __eq__(self, o: object) -> bool:
 
-        if type(o) != Variable:
+        if not isinstance(o, Variable):
             return False
 
         if id(o) == id(self):
@@ -40,12 +40,14 @@ def __eq__(self, o: object) -> bool:
 class MockNode(Node):
 
     def __eq__(self, o: object) -> bool:
+        # noinspection PyUnresolvedReferences
         return o.value == self.value
 
 
 class MockNodeValue(NodeValue):
 
     def __eq__(self, o: object) -> bool:
+        # noinspection PyUnresolvedReferences
         return o.name == self.name and o.value == self.value