Folium cannot be imported after install

[lithium310]

!pip install folium
Requirement already satisfied: folium in /opt/conda/lib/python3.6/site-packages
Requirement already satisfied: jinja2 in /opt/conda/lib/python3.6/site-packages (from folium)
Requirement already satisfied: requests in /opt/conda/lib/python3.6/site-packages (from folium)
Requirement already satisfied: six in /opt/conda/lib/python3.6/site-packages (from folium)
Requirement already satisfied: branca in /opt/conda/lib/python3.6/site-packages (from folium)
Requirement already satisfied: MarkupSafe>=0.23 in /opt/conda/lib/python3.6/site-packages (from jinja2->folium)
Requirement already satisfied: chardet<3.1.0,>=3.0.2 in /opt/conda/lib/python3.6/site-packages (from requests->folium)
Requirement already satisfied: idna<2.7,>=2.5 in /opt/conda/lib/python3.6/site-packages (from requests->folium)
Requirement already satisfied: urllib3<1.23,>=1.21.1 in /opt/conda/lib/python3.6/site-packages (from requests->folium)
Requirement already satisfied: certifi>=2017.4.17 in /opt/conda/lib/python3.6/site-packages (from requests->folium)
You are using pip version 9.0.1, however version 10.0.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.

ModuleNotFoundErrorTraceback (most recent call last)
in ()
1 get_ipython().system('pip install folium')
----> 2 import folium
3 buenos_map = folium.Map([-34.6037, -58.3816])
4 buenos_map

ModuleNotFoundError: No module named 'folium'

[lithium310]

Issue gone, cannot reproduce.