[fix] Resolved F821 undefined name errors

Added project_name local variable in _handle_pyproject_toml_version and removed orphaned assert in test_bump_version_pyproject_toml_malformed

Author: BHARATH0153

openwisp_utils/releaser/config.py

@@ -110,6 +110,9 @@ def _handle_pyproject_toml_version(config):
     config["package_type"] = "pyproject"
     config["version_path"] = "pyproject.toml"
     config["CURRENT_VERSION"] = current_version
+    project_name = get_package_name_from_setup()
+    if not project_name:
+        return
     package_directory = project_name.replace("-", "_")
     candidate_files = [
         os.path.join(package_directory, "__init__.py"),

openwisp_utils/releaser/tests/test_version_bumping.py

@@ -467,4 +467,3 @@ def test_bump_version_pyproject_toml_malformed():
     with patch("os.path.exists", return_value=True), patch("builtins.open", m_open):
         with pytest.raises(RuntimeError, match="Failed to find"):
             bump_version(config, "1.2.4")
-    assert written_content == "1.2.4\n"