diff --git a/.evergreen/config.yml b/.evergreen/config.yml
index ed9ad8b..d34b573 100644
--- a/.evergreen/config.yml
+++ b/.evergreen/config.yml
@@ -222,7 +222,7 @@ functions:
           ATLAS_ADMIN_API_USERNAME: ${atlas_admin_api_username}
           ATLAS_ADMIN_API_PASSWORD: ${atlas_admin_api_password}
           CLUSTER_NAME_SALT: ${build_id}
-        include_expansions_in_env: [DRIVER_DIRNAME]
+        include_expansions_in_env: [DRIVER_DIRNAME, PYTHON_BIN_DIR, ASYNC, FRAMEWORK, JAVA_HOME]
         script: |
           source secrets-export.sh
           astrolabevenv/${PYTHON_BIN_DIR}/astrolabe atlas-tests \
diff --git a/integrations/python/pymongo/install-driver.sh b/integrations/python/pymongo/install-driver.sh
index c885db8..6d81e2b 100755
--- a/integrations/python/pymongo/install-driver.sh
+++ b/integrations/python/pymongo/install-driver.sh
@@ -1,6 +1,8 @@
 #!/usr/bin/env bash
 set -o xtrace
 
+PYMONGO_VIRTUALENV_NAME=${PYMONGO_VIRTUALENV_NAME:-pymongotestvenv}
+
 "$PYTHON_BINARY" --version
 "$PYTHON_BINARY" -m virtualenv "$PYMONGO_VIRTUALENV_NAME"
 "$PYMONGO_VIRTUALENV_NAME/$PYTHON_BIN_DIR/pip" install -e mongo-python-driver
diff --git a/integrations/python/pymongo/workload-executor b/integrations/python/pymongo/workload-executor
index 74d46a7..d18eaab 100755
--- a/integrations/python/pymongo/workload-executor
+++ b/integrations/python/pymongo/workload-executor
@@ -2,4 +2,6 @@
 
 set -o errexit
 
+PYMONGO_VIRTUALENV_NAME=${PYMONGO_VIRTUALENV_NAME:-pymongotestvenv}
+
 "$PYMONGO_VIRTUALENV_NAME/$PYTHON_BIN_DIR/python" "integrations/$DRIVER_DIRNAME/workload-executor.py" "$1" "$2"