quarto false warnings

[pachadotdev]

processing file: 03-visualize.qmd
                                                                                                             
output file: 03-visualize.knit.md

Warning message:
The closing backticks on line 487 (" ```") in 03-visualize.qmd do not match the opening backticks "   ```" on line 483. You are recommended to fix either the opening or closing delimiter of the code chunk to use exactly the same numbers of backticks and same level of indentation (or blockquote). 

processing file: 11-import.qmd
                                                                                                             
output file: 11-import.knit.md

Warning messages:
1: The closing backticks on line 317 ("    ```") in 11-import.qmd do not match the opening backticks "     ```" on line 315. You are recommended to fix either the opening or closing delimiter of the code chunk to use exactly the same numbers of backticks and same level of indentation (or blockquote). 
2: The closing backticks on line 325 ("    ```") in 11-import.qmd do not match the opening backticks "     ```" on line 321. You are recommended to fix either the opening or closing delimiter of the code chunk to use exactly the same numbers of backticks and same level of indentation (or blockquote).