Tim-Hodge commented on issue #31013:
URL: https://github.com/apache/superset/issues/31013#issuecomment-2624797393

   Also seeing this issue in 4.1.1 with Firefox. PDF exports from a dashboard 
via UI are working.
   
   Stacktrace:
   
   ```
   [2025-01-30 15:06:20,966: ERROR/ForkPoolWorker-1] An unexpected error 
occurred while executing the report: f79163ce-f368-4041-82c3-c6ed80b8b8d1
   Traceback (most recent call last):
     File "/app/superset/commands/report/execute.py", line 799, in run
       ).run()
     File "/app/superset/utils/decorators.py", line 266, in wrapped
       return on_error(ex)
     File "/app/superset/utils/decorators.py", line 236, in on_error
       raise ex
     File "/app/superset/utils/decorators.py", line 259, in wrapped
       result = func(*args, **kwargs)
     File "/app/superset/commands/report/execute.py", line 761, in run
       ).next()
     File "/app/superset/commands/report/execute.py", line 629, in next
       self.send()
     File "/app/superset/commands/report/execute.py", line 527, in send
       notification_content = self._get_notification_content()
     File "/app/superset/commands/report/execute.py", line 414, in 
_get_notification_content
       pdf_data = self._get_pdf()
     File "/app/superset/commands/report/execute.py", line 281, in _get_pdf
       pdf = build_pdf_from_screenshots(screenshots)
     File "/app/superset/utils/pdf.py", line 34, in build_pdf_from_screenshots
       img = Image.open(BytesIO(snap))
   NameError: name 'Image' is not defined. Did you mean: 'images'?
   
   The above exception was the direct cause of the following exception:
   
   Traceback (most recent call last):
     File "/app/superset/tasks/scheduler.py", line 95, in execute
       ).run()
     File "/app/superset/utils/decorators.py", line 266, in wrapped
       return on_error(ex)
     File "/app/superset/utils/decorators.py", line 236, in on_error
       raise ex
     File "/app/superset/utils/decorators.py", line 259, in wrapped
       result = func(*args, **kwargs)
     File "/app/superset/commands/report/execute.py", line 803, in run
       raise ReportScheduleUnexpectedError(str(ex)) from ex
   superset.commands.report.exceptions.ReportScheduleUnexpectedError: name 
'Image' is not defined
   ```


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