'function' object has no attribute 'drop_duplicates'

This error message indicates that the 'drop_duplicates' function is not available for the object you are trying to use it on, which is likely a function object.

To resolve this error, you need to check the object you are calling the 'drop_duplicates' function on and make sure it is a pandas DataFrame or Series object. The 'drop_duplicates' function is a method of pandas DataFrame and Series objects, so it cannot be used on other types of objects such as functions.

If you are sure that the object is a pandas DataFrame or Series object, then you may need to check if you have properly imported the pandas library and if it is installed correctly. You can do this by running 'import pandas' in your Python code and checking if any errors occur.

Once you have resolved any issues with the object type or pandas library, you should be able to use the 'drop_duplicates' function on your DataFrame or Series object without any issues.