ESPHome compile output with Platform.IO config flags pull request patch

gistfile1.txt

$ esphome compile em_main.yaml
INFO Reading configuration em_main.yaml...
INFO Detected timezone 'MST' with UTC offset -7 and daylight saving time from 13 March 02:00:00 to 06 November 02:00:00
INFO Generating C++ source...
Traceback (most recent call last):
  File "/home/jarad/.pyenv/versions/esphome/bin/esphome", line 8, in <module>
    sys.exit(main())
  File "/home/jarad/.pyenv/versions/3.8.10/envs/esphome/lib/python3.8/site-packages/esphome/__main__.py", line 750, in main
    return run_esphome(sys.argv)
  File "/home/jarad/.pyenv/versions/3.8.10/envs/esphome/lib/python3.8/site-packages/esphome/__main__.py", line 737, in run_esphome
    rc = POST_CONFIG_ACTIONS[args.command](args, config)
  File "/home/jarad/.pyenv/versions/3.8.10/envs/esphome/lib/python3.8/site-packages/esphome/__main__.py", line 292, in command_compile
    exit_code = write_cpp(config)
  File "/home/jarad/.pyenv/versions/3.8.10/envs/esphome/lib/python3.8/site-packages/esphome/__main__.py", line 145, in write_cpp
    return write_cpp_file()
  File "/home/jarad/.pyenv/versions/3.8.10/envs/esphome/lib/python3.8/site-packages/esphome/__main__.py", line 163, in write_cpp_file
    writer.write_cpp(code_s)
  File "/home/jarad/.pyenv/versions/3.8.10/envs/esphome/lib/python3.8/site-packages/esphome/writer.py", line 437, in write_cpp
    copy_src_tree()
  File "/home/jarad/.pyenv/versions/3.8.10/envs/esphome/lib/python3.8/site-packages/esphome/writer.py", line 370, in copy_src_tree
    if os.path.splitext(path)[1] in HEADER_FILE_EXTENSIONS:
  File "/home/jarad/.pyenv/versions/3.8.10/lib/python3.8/posixpath.py", line 118, in splitext
    p = os.fspath(p)
TypeError: expected str, bytes or os.PathLike object, not SourceFile