DOC: Remove trailing whitespace from io.rst

Author: Nayil97

doc/source/user_guide/io.rst

@@ -6333,10 +6333,10 @@ To access files stored in your Google Drive:
 
     from google.colab import drive
     import pandas as pd
-    
+
     # Mount your Google Drive
     drive.mount('/content/drive')
-    
+
     # Read file from Drive
     df = pd.read_csv('/content/drive/MyDrive/your_file.csv')
 
@@ -6350,10 +6350,10 @@ To upload files from your local machine:
     from google.colab import files
     import pandas as pd
     import io
-    
+
     # Upload file (opens file picker dialog)
     uploaded = files.upload()
-    
+
     # Read the uploaded file
     for filename in uploaded.keys():
         df = pd.read_csv(io.BytesIO(uploaded[filename]))
@@ -6366,7 +6366,7 @@ Direct URL loading works the same as in standard pandas:
 .. code-block:: python
 
     import pandas as pd
-    
+
     # Read from any public URL
     url = 'https://raw.githubusercontent.com/example/repo/main/data.csv'
     df = pd.read_csv(url)
@@ -6379,23 +6379,23 @@ To read data from Google Sheets:
 .. code-block:: python
 
     import pandas as pd
-    
+
     # Option 1: Export as CSV (sheet must be publicly accessible)
     sheet_id = 'your-spreadsheet-id'
     sheet_name = 'Sheet1'
     url = f'https://docs.google.com/spreadsheets/d/{sheet_id}/gviz/tq?tqx=out:csv&sheet={sheet_name}'
     df = pd.read_csv(url)
-    
+
     # Option 2: Using authentication for private sheets
     # Note: Requires gspread library (pip install gspread)
     from google.colab import auth
     import gspread
     from google.auth import default
-    
+
     auth.authenticate_user()
     creds, _ = default()
     gc = gspread.authorize(creds)
-    
+
     worksheet = gc.open('Your Spreadsheet Name').sheet1
     data = worksheet.get_all_values()
     df = pd.DataFrame(data[1:], columns=data[0])