code: def get_version_of_tools():
      
      response = []
      for tool in TOOLS_USED:
          pkg_name = tool["pkg_name"]
          try:
              tool_module = import_module(pkg_name)
          except ImportError as ex:
              logger.warning("can't import module %s: %r", pkg_name, ex)
          else:
              version = getattr(tool_module, "__version__", None)
              if version is None:
                  logger.warning("tool %s doesn't have __version__", pkg_name)
              else:
                  response.append({
                      "name": tool.get("display_name", pkg_name),
                      "version": version,
                      "path": tool_module.__file__,
                  })
      return response
docs: get versions of tools reactor is using (specified in constants.TOOLS_USED)
  
      :returns list of dicts, [{"name": "docker-py", "version": "1.2.3"}, ...]