diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 92f1bdba1..14642f4ca 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,6 +25,8 @@ jobs:
         uses: "actions/checkout@v4"
       - name: "Setup environment"
         uses: "networktocode/gh-action-setup-poetry-environment@v6"
+        with:
+          poetry-version: "1.8.4"
       - name: "Linting: ruff format"
         run: "poetry run invoke ruff --action format"
   ruff-lint:
@@ -36,6 +38,8 @@ jobs:
         uses: "actions/checkout@v4"
       - name: "Setup environment"
         uses: "networktocode/gh-action-setup-poetry-environment@v6"
+        with:
+          poetry-version: "1.8.4"
       - name: "Linting: ruff"
         run: "poetry run invoke ruff --action lint"
   check-docs-build:
@@ -47,6 +51,8 @@ jobs:
         uses: "actions/checkout@v4"
       - name: "Setup environment"
         uses: "networktocode/gh-action-setup-poetry-environment@v6"
+        with:
+          poetry-version: "1.8.4"
       - name: "Check Docs Build"
         run: "poetry run invoke build-and-check-docs"
   poetry:
@@ -58,6 +64,8 @@ jobs:
         uses: "actions/checkout@v4"
       - name: "Setup environment"
         uses: "networktocode/gh-action-setup-poetry-environment@v6"
+        with:
+          poetry-version: "1.8.4"
       - name: "Checking: poetry lock file"
         run: "poetry run invoke lock --check"
   yamllint:
@@ -69,6 +77,8 @@ jobs:
         uses: "actions/checkout@v4"
       - name: "Setup environment"
         uses: "networktocode/gh-action-setup-poetry-environment@v6"
+        with:
+          poetry-version: "1.8.4"
       - name: "Linting: yamllint"
         run: "poetry run invoke yamllint"
   check-in-docker:
@@ -91,6 +101,8 @@ jobs:
         uses: "actions/checkout@v4"
       - name: "Setup environment"
         uses: "networktocode/gh-action-setup-poetry-environment@v6"
+        with:
+          poetry-version: "1.8.4"
       - name: "Constrain Nautobot version and regenerate lock file"
         env:
           INVOKE_NAUTOBOT_SSOT_LOCAL: "true"
@@ -146,6 +158,8 @@ jobs:
         uses: "actions/checkout@v4"
       - name: "Setup environment"
         uses: "networktocode/gh-action-setup-poetry-environment@v6"
+        with:
+          poetry-version: "1.8.4"
       - name: "Constrain Nautobot version and regenerate lock file"
         env:
           INVOKE_NAUTOBOT_SSOT_LOCAL: "true"
@@ -187,6 +201,8 @@ jobs:
           fetch-depth: "0"
       - name: "Setup environment"
         uses: "networktocode/gh-action-setup-poetry-environment@v6"
+        with:
+          poetry-version: "1.8.4"
       - name: "Check for changelog entry"
         run: |
           git fetch --no-tags origin +refs/heads/${{ github.base_ref }}:refs/remotes/origin/${{ github.base_ref }}
diff --git a/changes/641.fixed b/changes/641.fixed
new file mode 100644
index 000000000..7f67f028b
--- /dev/null
+++ b/changes/641.fixed
@@ -0,0 +1 @@
+Fixed incorrectly nested imports within if block used for Device Lifecycle Models.
\ No newline at end of file
diff --git a/nautobot_ssot/integrations/bootstrap/diffsync/models/bootstrap.py b/nautobot_ssot/integrations/bootstrap/diffsync/models/bootstrap.py
index 86729e066..88edaa72a 100755
--- a/nautobot_ssot/integrations/bootstrap/diffsync/models/bootstrap.py
+++ b/nautobot_ssot/integrations/bootstrap/diffsync/models/bootstrap.py
@@ -402,148 +402,154 @@ def delete(self):
         return self
 
 
-if LIFECYCLE_MGMT:
+class BootstrapNamespace(Namespace):
+    """Bootstrap implementation of Bootstrap Namespace model."""
 
-    class BootstrapSoftware(Software):
-        """Bootstrap implementation of Bootstrap Software model."""
+    @classmethod
+    def create(cls, diffsync, ids, attrs):
+        """Create Namespace in Bootstrap from BootstrapNamespace object."""
+        return super().create(diffsync=diffsync, ids=ids, attrs=attrs)
 
-        @classmethod
-        def create(cls, diffsync, ids, attrs):
-            """Create Software in Bootstrap from BootstrapSoftware object."""
-            return super().create(diffsync=diffsync, ids=ids, attrs=attrs)
+    def update(self, attrs):
+        """Update Namespace in Bootstrap from BootstrapNamespace object."""
+        return super().update(attrs)
 
-        def update(self, attrs):
-            """Update Software in Bootstrap from BootstrapSoftware object."""
-            return super().update(attrs)
+    def delete(self):
+        """Delete Namespace in Bootstrap from BootstrapNamespace object."""
+        return self
 
-        def delete(self):
-            """Delete Software in Bootstrap from BootstrapSoftware object."""
-            return self
 
-    class BootstrapSoftwareImage(SoftwareImage):
-        """Bootstrap implementation of Bootstrap SoftwareImage model."""
+class BootstrapRiR(RiR):
+    """Bootstrap implementation of Bootstrap RiR model."""
 
-        @classmethod
-        def create(cls, diffsync, ids, attrs):
-            """Create SoftwareImage in Bootstrap from BootstrapSoftwareImage object."""
-            return super().create(diffsync=diffsync, ids=ids, attrs=attrs)
+    @classmethod
+    def create(cls, diffsync, ids, attrs):
+        """Create RiR in Bootstrap from BootstrapRiR object."""
+        return super().create(diffsync=diffsync, ids=ids, attrs=attrs)
 
-        def update(self, attrs):
-            """Update SoftwareImage in Bootstrap from BootstrapSoftwareImage object."""
-            return super().update(attrs)
+    def update(self, attrs):
+        """Update RiR in Bootstrap from BootstrapRiR object."""
+        return super().update(attrs)
 
-        def delete(self):
-            """Delete SoftwareImage in Bootstrap from BootstrapSoftwareImage object."""
-            return self
+    def delete(self):
+        """Delete RiR in Bootstrap from BootstrapRiR object."""
+        return self
 
-    class BootstrapValidatedSoftware(ValidatedSoftware):
-        """Bootstrap implementation of Bootstrap ValidatedSoftware model."""
 
-        @classmethod
-        def create(cls, diffsync, ids, attrs):
-            """Create ValidatedSoftware in Bootstrap from BootstrapValidatedSoftware object."""
-            return super().create(diffsync=diffsync, ids=ids, attrs=attrs)
+class BootstrapVLANGroup(VLANGroup):
+    """Bootstrap implementation of Bootstrap VLANGroup model."""
 
-        def update(self, attrs):
-            """Update ValidatedSoftware in Bootstrap from BootstrapValidatedSoftware object."""
-            return super().update(attrs)
+    @classmethod
+    def create(cls, diffsync, ids, attrs):
+        """Create VLANGroup in Bootstrap from BootstrapVLANGroup object."""
+        return super().create(diffsync=diffsync, ids=ids, attrs=attrs)
 
-        def delete(self):
-            """Delete ValidatedSoftware in Bootstrap from BootstrapValidatedSoftware object."""
-            return self
+    def update(self, attrs):
+        """Update VLANGroup in Bootstrap from BootstrapVLANGroup object."""
+        return super().update(attrs)
 
-    class BootstrapNamespace(Namespace):
-        """Bootstrap implementation of Bootstrap Namespace model."""
+    def delete(self):
+        """Delete VLANGroup in Bootstrap from BootstrapVLANGroup object."""
+        return self
 
-        @classmethod
-        def create(cls, diffsync, ids, attrs):
-            """Create Namespace in Bootstrap from BootstrapNamespace object."""
-            return super().create(diffsync=diffsync, ids=ids, attrs=attrs)
 
-        def update(self, attrs):
-            """Update Namespace in Bootstrap from BootstrapNamespace object."""
-            return super().update(attrs)
+class BootstrapVLAN(VLAN):
+    """Bootstrap implementation of Bootstrap VLAN model."""
 
-        def delete(self):
-            """Delete Namespace in Bootstrap from BootstrapNamespace object."""
-            return self
+    @classmethod
+    def create(cls, diffsync, ids, attrs):
+        """Create VLAN in Bootstrap from BootstrapVLAN object."""
+        return super().create(diffsync=diffsync, ids=ids, attrs=attrs)
 
-    class BootstrapRiR(RiR):
-        """Bootstrap implementation of Bootstrap RiR model."""
+    def update(self, attrs):
+        """Update VLAN in Bootstrap from BootstrapVLAN object."""
+        return super().update(attrs)
 
-        @classmethod
-        def create(cls, diffsync, ids, attrs):
-            """Create RiR in Bootstrap from BootstrapRiR object."""
-            return super().create(diffsync=diffsync, ids=ids, attrs=attrs)
+    def delete(self):
+        """Delete VLAN in Bootstrap from BootstrapVLAN object."""
+        return self
 
-        def update(self, attrs):
-            """Update RiR in Bootstrap from BootstrapRiR object."""
-            return super().update(attrs)
 
-        def delete(self):
-            """Delete RiR in Bootstrap from BootstrapRiR object."""
-            return self
+class BootstrapVRF(VRF):
+    """Bootstrap implementation of Bootstrap VRF model."""
 
-    class BootstrapVLANGroup(VLANGroup):
-        """Bootstrap implementation of Bootstrap VLANGroup model."""
+    @classmethod
+    def create(cls, diffsync, ids, attrs):
+        """Create VRF in Bootstrap from BootstrapVRF object."""
+        return super().create(diffsync=diffsync, ids=ids, attrs=attrs)
 
-        @classmethod
-        def create(cls, diffsync, ids, attrs):
-            """Create VLANGroup in Bootstrap from BootstrapVLANGroup object."""
-            return super().create(diffsync=diffsync, ids=ids, attrs=attrs)
+    def update(self, attrs):
+        """Update VRF in Bootstrap from BootstrapVRF object."""
+        return super().update(attrs)
 
-        def update(self, attrs):
-            """Update VLANGroup in Bootstrap from BootstrapVLANGroup object."""
-            return super().update(attrs)
+    def delete(self):
+        """Delete VRF in Bootstrap from BootstrapVRF object."""
+        return self
 
-        def delete(self):
-            """Delete VLANGroup in Bootstrap from BootstrapVLANGroup object."""
-            return self
 
-    class BootstrapVLAN(VLAN):
-        """Bootstrap implementation of Bootstrap VLAN model."""
+class BootstrapPrefix(Prefix):
+    """Bootstrap implementation of Bootstrap Prefix model."""
+
+    @classmethod
+    def create(cls, diffsync, ids, attrs):
+        """Create Prefix in Bootstrap from BootstrapPrefix object."""
+        return super().create(diffsync=diffsync, ids=ids, attrs=attrs)
+
+    def update(self, attrs):
+        """Update Prefix in Bootstrap from BootstrapPrefix object."""
+        return super().update(attrs)
+
+    def delete(self):
+        """Delete Prefix in Bootstrap from BootstrapPrefix object."""
+        return self
+
+
+if LIFECYCLE_MGMT:
+
+    class BootstrapSoftware(Software):
+        """Bootstrap implementation of Bootstrap Software model."""
 
         @classmethod
         def create(cls, diffsync, ids, attrs):
-            """Create VLAN in Bootstrap from BootstrapVLAN object."""
+            """Create Software in Bootstrap from BootstrapSoftware object."""
             return super().create(diffsync=diffsync, ids=ids, attrs=attrs)
 
         def update(self, attrs):
-            """Update VLAN in Bootstrap from BootstrapVLAN object."""
+            """Update Software in Bootstrap from BootstrapSoftware object."""
             return super().update(attrs)
 
         def delete(self):
-            """Delete VLAN in Bootstrap from BootstrapVLAN object."""
+            """Delete Software in Bootstrap from BootstrapSoftware object."""
             return self
 
-    class BootstrapVRF(VRF):
-        """Bootstrap implementation of Bootstrap VRF model."""
+    class BootstrapSoftwareImage(SoftwareImage):
+        """Bootstrap implementation of Bootstrap SoftwareImage model."""
 
         @classmethod
         def create(cls, diffsync, ids, attrs):
-            """Create VRF in Bootstrap from BootstrapVRF object."""
+            """Create SoftwareImage in Bootstrap from BootstrapSoftwareImage object."""
             return super().create(diffsync=diffsync, ids=ids, attrs=attrs)
 
         def update(self, attrs):
-            """Update VRF in Bootstrap from BootstrapVRF object."""
+            """Update SoftwareImage in Bootstrap from BootstrapSoftwareImage object."""
             return super().update(attrs)
 
         def delete(self):
-            """Delete VRF in Bootstrap from BootstrapVRF object."""
+            """Delete SoftwareImage in Bootstrap from BootstrapSoftwareImage object."""
             return self
 
-    class BootstrapPrefix(Prefix):
-        """Bootstrap implementation of Bootstrap Prefix model."""
+    class BootstrapValidatedSoftware(ValidatedSoftware):
+        """Bootstrap implementation of Bootstrap ValidatedSoftware model."""
 
         @classmethod
         def create(cls, diffsync, ids, attrs):
-            """Create Prefix in Bootstrap from BootstrapPrefix object."""
+            """Create ValidatedSoftware in Bootstrap from BootstrapValidatedSoftware object."""
             return super().create(diffsync=diffsync, ids=ids, attrs=attrs)
 
         def update(self, attrs):
-            """Update Prefix in Bootstrap from BootstrapPrefix object."""
+            """Update ValidatedSoftware in Bootstrap from BootstrapValidatedSoftware object."""
             return super().update(attrs)
 
         def delete(self):
-            """Delete Prefix in Bootstrap from BootstrapPrefix object."""
+            """Delete ValidatedSoftware in Bootstrap from BootstrapValidatedSoftware object."""
             return self
diff --git a/nautobot_ssot/tests/infoblox/test_tags_and_cfs.py b/nautobot_ssot/tests/infoblox/test_tags_and_cfs.py
index f4113c490..e5b91dda3 100644
--- a/nautobot_ssot/tests/infoblox/test_tags_and_cfs.py
+++ b/nautobot_ssot/tests/infoblox/test_tags_and_cfs.py
@@ -127,8 +127,7 @@ def test_objects_synced_to_infoblox_are_tagged(self):
         """Ensure objects synced to Infoblox have 'SSoT Synced to Infoblox' tag applied."""
         create_prefix_relationship()
         nb_prefix = Prefix(
-            network="10.0.0.0",
-            prefix_length=8,
+            prefix="10.0.0.0/8",
             description="Test Network",
             type="network",
             status=Status.objects.get_for_model(Prefix).first(),
@@ -204,8 +203,7 @@ def test_cfs_have_correct_content_types_set(self):
     def test_cf_updated_for_objects_synced_to_infoblox(self):
         """Ensure objects synced to Infoblox have cf 'ssot_synced_to_infoblox' correctly updated."""
         nb_prefix = Prefix(
-            network="10.0.0.0",
-            prefix_length=8,
+            prefix="10.0.0.0/8",
             description="Test Network",
             type="network",
             status=Status.objects.get_for_model(Prefix).first(),