Raise exception if rich is less than 10.2.2 (#10839)

Author: kaushikb11

CHANGELOG.md

@@ -190,6 +190,9 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 - Disabled batch_size extraction for torchmetric instances because they accumulate the metrics internally ([#10815](https://github.com/PyTorchLightning/pytorch-lightning/pull/10815))
 
 
+- Improved exception message if `rich` version is less than `10.2.2` ([#10839](https://github.com/PyTorchLightning/pytorch-lightning/pull/10839))
+
+
 ## [1.5.4] - 2021-11-30
 
 ### Fixed

pytorch_lightning/callbacks/progress/rich_progress.py

@@ -17,7 +17,8 @@
 from typing import Any, Optional, Union
 
 from pytorch_lightning.callbacks.progress.base import ProgressBarBase
-from pytorch_lightning.utilities import _RICH_AVAILABLE
+from pytorch_lightning.utilities.exceptions import MisconfigurationException
+from pytorch_lightning.utilities.imports import _RICH_AVAILABLE
 
 Task, Style = None, None
 if _RICH_AVAILABLE:
@@ -228,9 +229,10 @@ def __init__(
         theme: RichProgressBarTheme = RichProgressBarTheme(),
     ) -> None:
         if not _RICH_AVAILABLE:
-            raise ModuleNotFoundError(
-                "`RichProgressBar` requires `rich` to be installed. Install it by running `pip install -U rich`."
+            raise MisconfigurationException(
+                "`RichProgressBar` requires `rich` >= 10.2.2. Install it by running `pip install -U rich`."
             )
+
         super().__init__()
         self._refresh_rate: int = refresh_rate
         self._leave: bool = leave

tests/callbacks/test_rich_progress_bar.py

@@ -85,7 +85,7 @@ def predict_dataloader(self):
 
 def test_rich_progress_bar_import_error():
     if not _RICH_AVAILABLE:
-        with pytest.raises(ImportError, match="`RichProgressBar` requires `rich` to be installed."):
+        with pytest.raises(ImportError, match="`RichProgressBar` requires `rich` >= 10.2.2."):
             Trainer(callbacks=RichProgressBar())