Update setup.py
Since Spark NLP is well tested starting from 2.4.0,  the requirement has been lowered
@@ -18,7 +18,7 @@ with open(path.join(here, 'README.md'), encoding='utf-8') as f:
long_description = f.read()
REQUIRED_PKGS = [
- 'pyspark>=2.4.4,<2.5',
+ 'pyspark>=2.4.0,<2.5',
'spark-nlp>=2.6.2,<2.7',
'numpy',
'pyarrow>=0.16.0',
