diff --git a/integration_tests/test_flask_enable_csrf_protection.py b/integration_tests/test_flask_enable_csrf_protection.py
index b45b1b95..12914205 100644
--- a/integration_tests/test_flask_enable_csrf_protection.py
+++ b/integration_tests/test_flask_enable_csrf_protection.py
@@ -39,7 +39,7 @@ class TestFlaskEnableCSRFProtection(BaseIntegrationTest):
     requirements_path = "tests/samples/requirements.txt"
     original_requirements = "# file used to test dependency management\nrequests==2.31.0\nblack==23.7.*\nmypy~=1.4\npylint>1\n"
     expected_new_reqs = (
-        f"# file used to test dependency management\n"
+        "# file used to test dependency management\n"
         "requests==2.31.0\n"
         "black==23.7.*\n"
         "mypy~=1.4\n"
diff --git a/integration_tests/test_process_sandbox.py b/integration_tests/test_process_sandbox.py
index 5c5e0d1b..5f0cfa4e 100644
--- a/integration_tests/test_process_sandbox.py
+++ b/integration_tests/test_process_sandbox.py
@@ -28,7 +28,7 @@ class TestProcessSandbox(BaseIntegrationTest):
     requirements_path = "tests/samples/requirements.txt"
     original_requirements = "# file used to test dependency management\nrequests==2.31.0\nblack==23.7.*\nmypy~=1.4\npylint>1\n"
     expected_new_reqs = (
-        f"# file used to test dependency management\n"
+        "# file used to test dependency management\n"
         "requests==2.31.0\n"
         "black==23.7.*\n"
         "mypy~=1.4\n"
diff --git a/integration_tests/test_url_sandbox.py b/integration_tests/test_url_sandbox.py
index 31aeae3f..be4e8b13 100644
--- a/integration_tests/test_url_sandbox.py
+++ b/integration_tests/test_url_sandbox.py
@@ -38,7 +38,7 @@ class TestUrlSandbox(BaseIntegrationTest):
     requirements_path = "tests/samples/requirements.txt"
     original_requirements = "# file used to test dependency management\nrequests==2.31.0\nblack==23.7.*\nmypy~=1.4\npylint>1\n"
     expected_new_reqs = (
-        f"# file used to test dependency management\n"
+        "# file used to test dependency management\n"
         "requests==2.31.0\n"
         "black==23.7.*\n"
         "mypy~=1.4\n"
diff --git a/integration_tests/test_use_defusedxml.py b/integration_tests/test_use_defusedxml.py
index 22cec1d4..a1eca25c 100644
--- a/integration_tests/test_use_defusedxml.py
+++ b/integration_tests/test_use_defusedxml.py
@@ -41,7 +41,7 @@ class TestUseDefusedXml(BaseIntegrationTest):
     requirements_path = "tests/samples/requirements.txt"
     original_requirements = "# file used to test dependency management\nrequests==2.31.0\nblack==23.7.*\nmypy~=1.4\npylint>1\n"
     expected_new_reqs = (
-        f"# file used to test dependency management\n"
+        "# file used to test dependency management\n"
         "requests==2.31.0\n"
         "black==23.7.*\n"
         "mypy~=1.4\n"