8000 Unable to install python3-pycoral even install 3.9.19 with pyenv · Issue #140 · google-coral/pycoral · GitHub
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Unable to install python3-pycoral even install 3.9.19 with pyenv #140

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sangyo1 opened this issue Mar 21, 2024 · 6 comments
Open

Unable to install python3-pycoral even install 3.9.19 with pyenv #140

sangyo1 opened this issue Mar 21, 2024 · 6 comments
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Hardware:USB Accelerator Coral USB Accelerator issues subtype:ubuntu/linux Ubuntu/Linux Build/installation issues type:build/install Build and install issues

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@sangyo1
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sangyo1 commented Mar 21, 2024 •
edited by google-coral-bot bot
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Description

I am Ubuntu 20.04 user.
I was trying to install pycoral in raspberry pi.
I install pyenv and installed the python 3.9.19 version. However I set python3.9.19 as global but still unable to install pycoral.
How can I install it? my orginial python version 3.10.X.

image

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Issue Type

Build/Install

Operating System

Ubuntu

Coral Device

USB Accelerator

Other Devices

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Programming Language

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Relevant Log Output

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@google-coral-bot google-coral-bot bot added Hardware:USB Accelerator Coral USB Accelerator issues subtype:ubuntu/linux Ubuntu/Linux Build/installation issues type:build/install Build and install issues labels Mar 21, 2024
@rahairirani
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Try create a virtual env with python3.9.X. I faced the similar problem in raspberry pi 4 64bit OS.

@isaacsenn
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isaacsenn commented Apr 2, 2024 •
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Hi @sangyo1 , were you able to get this sorted? I am facing the same issue.

@rahairirani would you be able to explain this a bit more please? I have a virtual environment with python3.9.X setup, but still have problems installing.

@rahairirani
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rahairirani commented Apr 3, 2024 •
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  1. Create virtualenv with python3.9.x
  2. Download pycoral-2.0.0-cp39-cp39-linux_aarch64.whl and tflite_runtime-2.5.0.post1-cp39-cp39-linux_aarch64.whl from https://github.com/google-coral/pycoral/releases/tag/v2.0.0
  3. pip install ./pycoral-2.0.0-cp39-cp39-linux_aarch64.whl
  4. pip install ./tflite_runtime-2.5.0.post1-cp39-cp39-linux_aarch64.whl

Not sure whether manual wheel install or virtualenv solved my problem.

@isaacsenn
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Thanks @rahairirani . Is this only for a 64 bit OS? I'm currently working with 32bit bookworm.

@rahairirani
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I'm using raspberry pi OS 64bit but the steps also can be used in any 32bit OS.

@pagakarthik
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There are two parts to this issue.

  1. the python version
  2. the library dependency (specifically numpy)

numpy by default has transitioned to numpy-2.0, so we need to force install an older version of numpy (1.x) which is required by pycoral

setup that helped me:

  • create a virtual environment (with python 3.9 and numpy 1.x)
    conda create --name coral-env python=3.9 "numpy<2"

  • download the latest version of pycoral for your architecture/ OS (e.g. linux_x86_64)
    https://github.com/google-coral/pycoral/releases [e.g. pycoral-2.0.0-cp36-cp36m-linux_x86_64.whl]
    run this command
    wget https://github.com/google-coral/pycoral/releases/download/v2.0.0/pycoral-2.0.0-cp36-cp36m-linux_x86_64.whl

  • install the downloaded file
    pip install pycoral-2.0.0-cp36-cp36m-linux_x86_64.whl

Following that check your device/connections
conda activate coral-env
'python3'
from pycoral.utils.edgetpu import list_edge_tpus
print(list_edge_tpus())

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