[BEAM-13657] Follow up update version warning in __init__

[Abacn]

Minor: found a place in code should update along with sunset python 3.6

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Codecov Report

Merging #17493 (bc6a3ba) into master (67cb419) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master   #17493   +/-   ##
=======================================
  Coverage   73.83%   73.83%           
=======================================
  Files         690      690           
  Lines       90830    90830           
=======================================
+ Hits        67064    67068    +4     
+ Misses      22557    22553    -4     
  Partials     1209     1209           

Flag	Coverage Δ
python	83.65% <100.00%> (+<0.01%)	⬆️

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Impacted Files	Coverage Δ
sdks/python/apache_beam/__init__.py	85.00% <100.00%> (ø)
sdks/python/apache_beam/utils/interactive_utils.py	92.68% <0.00%> (-2.44%)	⬇️
...eam/runners/portability/fn_api_runner/execution.py	93.08% <0.00%> (+0.64%)	⬆️
sdks/python/apache_beam/internal/metrics/metric.py	93.00% <0.00%> (+1.00%)	⬆️

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[Abacn]

R: @AnandInguva

[AnandInguva]

LGTM! Thanks for catching this

[AnandInguva]

cc : @tvalentyn