code: def _get_version():
      with open("deepchem/__init__.py") as fp:
          for line in fp:
              if line.startswith("__version__"):
                  g = {}
                  exec(line, g)
                  base = g["__version__"]
                  if IS_RELEASE:
                      return base
                  else:
                      # nightly version : .devYearMonthDayHourMinute
                      if base.endswith(".dev") is False:
                          # Force to add `.dev` if `--release` option isn't passed when building
                          base += ".dev"
                      return base + time.strftime("%Y%m%d%H%M%S")
  
          raise ValueError(
              "`__version__` not defined in `deepchem/__init__.py`"
          )
  
label_desc: Use image node_id 1 for calling a global function with example usage: _get_version() and returns: base, unknown