[BUG] small fix for Tableau Server path checking (#134)

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Small fix for a tiny bug

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Co-authored-by: Danny Meijer <[email protected]>

src/koheesio/integrations/spark/tableau/server.py

@@ -79,7 +79,7 @@ def validate_project(self) -> "TableauServer":
         if self.project and self.project_id:
             raise ValueError("Both 'project' and 'project_id' parameters cannot be provided at the same time.")
 
-        if not self.project_id and not self.project_id:
+        if not self.project and not self.project_id:
             raise ValueError("Either 'project' or 'project_id' parameters should be provided, none is set")
 
         return self