I will examine the uploaded file to identify issues related to file naming conventions in a Python script. Here are some potential issues:

1. **Issue:** Inconsistent use of single quotation marks for dataset paths.

   **Evidence:** Some paths are enclosed in single quotation marks, while others are not. For example:
   ```
   e.g. ``'username/dataset_name'``, a dataset repository on the HF hub containing your data files.
   e.g. ``glue``, ``squad``, ``'username/dataset_name'``, a dataset repository on the HF hub containing a dataset script `dataset_name.py`.
   ```

   **Description:** This inconsistency may cause confusion and errors. It is recommended to use a consistent naming convention for paths, either with or without single quotation marks.

2. **Issue:** Mixed use of single and double quotation marks for strings.

   **Evidence:** Both single and double quotation marks are used interchangeably. For example:
   ```
   'username/dataset_name'
   "Directory {dataset_path} not found"
   ```

   **Description:** To improve readability and maintainability, it is recommended to consistently use either single or double quotation marks for strings.

Addressing these issues will enhance the code's quality and consistency.