What Does "No module named 'gurobipy' mean"?

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Chris Duke

2022年09月21日 12:49

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I will start by sayin I am VERY new to Gurobi but I have been using Gurobi successfully and, last night, began receiving the following message when I attempted to create a new model:

---------------------------------------------------------------------------
ModuleNotFoundError                       Traceback (most recent call last)
Input In [1], in <cell line: 1>()
----> 1 import gurobipy as gp
      2 from gurobipy import GRB

ModuleNotFoundError: No module named 'gurobipy'

It looks likes Gurobi isn't installed, correct? If so, it was yesterday morning when I ran another model.

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• 正式なコメント

  

  Simranjit Kaur

  • Gurobi Staff

  2025年11月16日 23:28

  This post is more than three years old. Some information may not be up to date. For current information, please check the Gurobi Documentation or Knowledge Base. If you need more help, please create a new post in the community forum, or try Gurobot, our chatbot interface offering instant, expert-level support.
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  Jonasz Staszek

  • Community Moderator

  2022年09月22日 13:22

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  There could be many reasons for this behaviour. One of the most common is the fact that Gurobi may be installed in a different (conda) environment than the one you are using it.

  Could you please share some more details about the Python / Gurobi version you are using?

  Best regards
  Jonasz

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