Does Spark require modified versions of Scala or Python?
No. Spark requires no changes to Scala or compiler plugins. The Python API uses the standard CPython implementation, and can call into existing C libraries for Python such as NumPy.
Instruction: Does Spark require modified versions of Scala or Python?
Context: 
Response: No. Spark requires no changes to Scala or compiler plugins. The Python API uses the standard CPython implementation, and can call into existing C libraries for Python such as NumPy.