fix packaging missing

Author: Borda

pytorch_lightning/info.py

@@ -1,7 +1,7 @@
 import time
 
 _this_year = time.strftime("%Y")
-__version__ = '1.2.9'
+__version__ = '1.2.10'
 __author__ = 'William Falcon et al.'
 __author_email__ = '[email protected]'
 __license__ = 'Apache-2.0'

requirements.txt

@@ -9,3 +9,4 @@ tqdm>=4.41.0
 fsspec[http]>=0.8.1
 tensorboard>=2.2.0, !=2.5.0  # 2.5.0 GPU CI error: 'Couldn't build proto file into descriptor pool!'
 torchmetrics==0.2.0
+packaging