Verify if sonic_platform installed
===================================

root@sonic:~# pip list
DEPRECATION: Python 2.7 will reach the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 won't be maintained after that date. A future version of pip will drop support for Python 2.7. More details about Python 2 support in pip, can be found at https://pip.pypa.io/en/latest/development/release-process/#python-2-support
Package               Version        
--------------------- ---------------
bitarray              0.8.1          
certifi               2019.6.16      
chardet               3.0.4          
click                 6.7            
click-default-group   1.2            
colorama              0.3.7          
docker-py             1.6.0          
idna                  2.8            
ipaddr                2.2.0          
Jinja2                2.10.1         
lxml                  3.7.1          
MarkupSafe            1.1.1          
natsort               4.0.3          
netaddr               0.7.19         
netifaces             0.10.7         
pexpect               4.7.0          
pip                   19.2.1         
ptyprocess            0.6.0          
pyang                 2.0.1          
pyangbind             0.6.0          
python-apt            1.4.0b3        
PyYAML                3.12           
redis                 2.10.6         
redis-dump-load       1.1            
requests              2.22.0         
scapy                 unknown.version
setuptools            33.1.1         
six                   1.12.0         
sonic-config-engine   1.0            
sonic-platform        1.0           <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<  
sonic-platform-common 1.0            
sonic-utilities       1.2            
swsssdk               2.0.1          
tabulate              0.8.2          
urllib3               1.25.3         
websocket-client      0.56.0         


Inside Docker
================
root@sonic:~# !do
docker exec -it pmon bash
root@sonic:/# 
root@sonic:/# 
root@sonic:/# pip list
DEPRECATION: Python 2.7 will reach the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 won't be maintained after that date. A future version of pip will drop support for Python 2.7. More details about Python 2 support in pip, can be found at https://pip.pypa.io/en/latest/development/release-process/#python-2-support
Package               Version
--------------------- -------
bitarray              0.8.1  
ipaddr                2.2.0  
Jinja2                2.10.1 
lxml                  3.4.0  
MarkupSafe            1.1.1  
meld3                 1.0.0  
natsort               3.5.1  
netaddr               0.7.19 
pip                   19.2.1 
pyang                 2.0.1  
pyangbind             0.6.0  
PyYAML                3.11   
redis                 2.10.6 
sonic-config-engine   1.0    
sonic-ledd            1.1    
sonic-platform        1.0       <<<<<<<<<<<<<<<<<<<<<<<<<<<<<
sonic-platform-common 1.0    
sonic-xcvrd           1.0    
supervisor            3.3.3  
swsssdk               2.0.1  
root@sonic:/#