Run a command inside the Python environment.

def run(self, bin, *args, **kwargs):
        """
        Run a command inside the Python environment.
        """
        bin = self._bin(bin)

        cmd = [bin] + list(args)
        shell = kwargs.get("shell", False)
        call = kwargs.pop("call", False)
        input_ = kwargs.pop("input_", None)

        if shell:
            cmd = list_to_shell_command(cmd)

        try:
            if self._is_windows:
                kwargs["shell"] = True

            if input_:
                p = subprocess.Popen(
                    cmd,
                    stdin=subprocess.PIPE,
                    stdout=subprocess.PIPE,
                    stderr=subprocess.STDOUT,
                    **kwargs
                )
                output = p.communicate(encode(input_))[0]
            elif call:
                return subprocess.call(cmd, stderr=subprocess.STDOUT, **kwargs)
            else:
                output = subprocess.check_output(
                    cmd, stderr=subprocess.STDOUT, **kwargs
                )
        except CalledProcessError as e:
            raise EnvCommandError(e)

        return decode(output)