Fix Python TabError (2025 Guide)

Fix Python TabError (2025 Guide) Fix Python TabError (2025 Guide) Posted on: March 23, 2025 Encountered a "TabError" in Python? This error occurs when tabs and spaces are mixed inconsistently in indentation. Let’s fix it fast in this 2025 guide! What Causes "TabError"? TabError is a subclass of IndentationError and is raised when Python detects inconsistent use of tabs and spaces in code indentation. Python requires uniform indentation for code blocks. Common causes include: Mixed Tabs and Spaces : Using both in the same file or block. Editor Settings : Text editors converting tabs to spaces unevenly. Copy-Paste Issues : Code from external sources with different indentation styles. # This triggers "TabError" def example(): print("Hello") # Space indenta...