Fixes for PR

Author: erezsh

data_diff/__main__.py

@@ -48,7 +48,7 @@
  "--threads",
  default="1",
  help="Number of worker threads to use per database. Default=1. "
- "'auto' will use the maximum amount recommended by Python. "
+ "A higher number will increase performance, but take more capacity from your database. "
  "'serial' guarantees a single-threaded execution of the algorithm (useful for debugging).",
 )
 def main(
@@ -86,8 +86,6 @@ def main(
  if threads.lower() == "serial":
  threaded = False
  threads = 1
- elif threads.lower() == "auto":
- threads = None
  else:
  try:
  threads = int(threads)