diff --git a/src/providers/python_controller.js b/src/providers/python_controller.js
index bb936667..449d42e1 100644
--- a/src/providers/python_controller.js
+++ b/src/providers/python_controller.js
@@ -149,6 +149,8 @@ export default class Python_controller {
 				throw new Error('fail invoking pip freeze to fetch all installed dependencies in environment --> ' + err.message)
 			}
 		}).toString();
+		//debug
+		// freezeOutput = "alternative pip freeze output goes here for debugging"
 		let lines = freezeOutput.split(EOL)
 		let depNames = lines.map( line => getDependencyName(line)).join(" ")
 		let pipShowOutput = execSync(`${this.pathToPipBin} show ${depNames}`, err =>{
@@ -157,7 +159,7 @@ export default class Python_controller {
 			}
 		}).toString();
 		let allPipShowDeps = pipShowOutput.split( EOL +"---" + EOL);
-		let matchManifestVersions = getCustom("MATCH_MANIFEST_VERSIONS","true");
+		let matchManifestVersions = getCustom("MATCH_MANIFEST_VERSIONS","true",this.options);
 		let linesOfRequirements = fs.readFileSync(this.pathToRequirements).toString().split(EOL).filter( (line) => !line.startsWith("#")).map(line => line.trim())
 		let CachedEnvironmentDeps = {}
 		allPipShowDeps.forEach( (record) => {
diff --git a/src/providers/python_pip.js b/src/providers/python_pip.js
index 9509bfa3..31c742ac 100644
--- a/src/providers/python_pip.js
+++ b/src/providers/python_pip.js
@@ -201,7 +201,7 @@ function getSbomForComponentAnalysis(data, opts = {}) {
 	let tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), 'exhort_'))
 	let tmpRequirementsPath = path.join(tmpDir, 'requirements.txt')
 	fs.writeFileSync(tmpRequirementsPath, data)
-	let pythonController = new Python_controller(createVirtualPythonEnv === "false",binaries.pip,binaries.python,tmpRequirementsPath)
+	let pythonController = new Python_controller(createVirtualPythonEnv === "false",binaries.pip,binaries.python,tmpRequirementsPath,opts)
 	let dependencies = pythonController.getDependencies(false);
 	let sbom = new Sbom();
 	sbom.addRoot(toPurl("root",undefined))