diff --git a/src/pip/_internal/utils/unpacking.py b/src/pip/_internal/utils/unpacking.py
index 811c904c9f8..16f159e7f31 100644
--- a/src/pip/_internal/utils/unpacking.py
+++ b/src/pip/_internal/utils/unpacking.py
@@ -26,7 +26,7 @@
 SUPPORTED_EXTENSIONS = ZIP_EXTENSIONS + TAR_EXTENSIONS
 
 try:
-    import bz2  # noqa
+    import bz2  # noqa: F401
 
     SUPPORTED_EXTENSIONS += BZ2_EXTENSIONS
 except ImportError:
@@ -34,7 +34,7 @@
 
 try:
     # Only for Python 3.3+
-    import lzma  # noqa
+    import lzma  # noqa: F401
 
     SUPPORTED_EXTENSIONS += XZ_EXTENSIONS
 except ImportError:
diff --git a/tests/functional/test_install.py b/tests/functional/test_install.py
index 8c30a69b515..458d598ddc7 100644
--- a/tests/functional/test_install.py
+++ b/tests/functional/test_install.py
@@ -1863,7 +1863,7 @@ def test_install_editable_with_wrong_egg_name(
 
 def test_install_tar_xz(script: PipTestEnvironment, data: TestData) -> None:
     try:
-        import lzma  # noqa
+        import lzma  # noqa: F401
     except ImportError:
         pytest.skip("No lzma support")
     res = script.pip("install", data.packages / "singlemodule-0.0.1.tar.xz")
@@ -1872,7 +1872,7 @@ def test_install_tar_xz(script: PipTestEnvironment, data: TestData) -> None:
 
 def test_install_tar_lzma(script: PipTestEnvironment, data: TestData) -> None:
     try:
-        import lzma  # noqa
+        import lzma  # noqa: F401
     except ImportError:
         pytest.skip("No lzma support")
     res = script.pip("install", data.packages / "singlemodule-0.0.1.tar.lzma")