diff --git a/.gitignore b/.gitignore
index 2ea5a173a..11eb33868 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,4 +13,5 @@ scripts/*.pyc
 .vscode/
 docs/_build/
 docs/source/
-.coverage
\ No newline at end of file
+.coverage
+venv/
\ No newline at end of file
diff --git a/retriever/lib/rdatasets.py b/retriever/lib/rdatasets.py
index 1f0002316..38a935622 100644
--- a/retriever/lib/rdatasets.py
+++ b/retriever/lib/rdatasets.py
@@ -168,6 +168,9 @@ def display_all_rdataset_names(package_name=None):
 
     else:
         print(f"List of all available Rdatasets in packages: {package_name}")
+        if isinstance(package_name, str):
+            package_name = [package_name]
+
         for package in package_name:
             try:
                 dataset_names = rdatasets[package].keys()