check for len > 1 (#9586)

This commit is contained in:
Maddy
2020-03-12 18:01:44 -07:00
committed by GitHub
parent f7360771f0
commit 1a831f94ed

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@@ -41,7 +41,7 @@
"#install jupyter-book\r\n",
"cmd = f'{sys.executable} -m pip show jupyter-book'\r\n",
"cmdOutput = !{cmd}\r\n",
"if len(cmdOutput) > 0 and '0.6.4' in cmdOutput[1]:\r\n",
"if len(cmdOutput) > 1 and '0.6.4' in cmdOutput[1]:\r\n",
" print('Jupyter-book required version is already installed!')\r\n",
"else:\r\n",
" !pip install jupyter-book"