add imports for spinners and progress bar from their own module

Author: sinscary

src/pip/_internal/build_env.py

@@ -18,7 +18,7 @@
 from pip._internal.utils.misc import call_subprocess
 from pip._internal.utils.temp_dir import TempDirectory
 from pip._internal.utils.typing import MYPY_CHECK_RUNNING
-from pip._internal.utils.ui import open_spinner
+from pip._internal.cli.spinners import open_spinner
 
 if MYPY_CHECK_RUNNING:
     from typing import Tuple, Set, Iterable, Optional, List

src/pip/_internal/cli/cmdoptions.py

@@ -27,7 +27,7 @@
 from pip._internal.models.target_python import TargetPython
 from pip._internal.utils.hashes import STRONG_HASHES
 from pip._internal.utils.typing import MYPY_CHECK_RUNNING
-from pip._internal.utils.ui import BAR_TYPES
+from pip._internal.cli.progress_bars import BAR_TYPES
 
 if MYPY_CHECK_RUNNING:
     from typing import Any, Callable, Dict, Optional, Tuple

src/pip/_internal/req/req_install.py

@@ -21,6 +21,7 @@
 
 from pip._internal import pep425tags, wheel
 from pip._internal.build_env import NoOpBuildEnvironment
+from pip._internal.cli.spinners import open_spinner
 from pip._internal.exceptions import InstallationError
 from pip._internal.models.link import Link
 from pip._internal.operations.generate_metadata import get_metadata_generator
@@ -51,7 +52,6 @@
 from pip._internal.utils.setuptools_build import make_setuptools_shim_args
 from pip._internal.utils.temp_dir import TempDirectory
 from pip._internal.utils.typing import MYPY_CHECK_RUNNING
-from pip._internal.utils.ui import open_spinner
 from pip._internal.utils.virtualenv import running_under_virtualenv
 from pip._internal.vcs import vcs