dash_core_components Error

Heads up! Edited on October 24, 2018

This issue comes up on google searches when folks haven't installed the necessary packages to run Dash.
If you find yourself here, then please visit the official installation instructions here: https://dash.plot.ly/installation
Thank you 🙇

Hello All,

The script below :

import plotly.figure_factory as ff
import numpy as np
import dash
import dash_core_components as dcc

X = np.random.rand(15, 15)
dendro = ff.create_dendrogram(X)

app = dash.Dash()
app.layout = dcc.Graph(figure=dendro)

Generates this error :

File "app.py", line 5, in
import dash_core_components as dcc
File "C:\Temp\Continuum\Anaconda3\lib\site-packages\dash_core_components_init_.py", line 4, in
from version import version
ModuleNotFoundError: No module named 'version'

Could you help me, please

Regards,
Vince

Hello All again, I update my issue. After a new installation with :

pip install dash==0.17.7 # The core dash backend
pip install dash-renderer==0.7.3 # The dash front-end
pip install dash-html-components==0.6.2 # HTML components
pip install dash-core-components==0.5.3 # Supercharged components
pip install plotly==2.0.12 # Plotly graphing library used in examples

The script generates this error message:

Traceback (most recent call last):
File "app.py", line 3, in
import dash_core_components as dcc
File "C:\Temp\Continuum\Anaconda3\lib\site-packages\dash_core_components_init_.py", line 8, in
_components = _dash.development.component_loader.load_components(AttributeError: module 'dash' has no attribute 'development'

Thanks for your help,
Vince

Do you by any chance have a folder named dash or dash_core_components within the same directory as you are running your script?

I uninstall / install packages and now everything works fine !

pip uninstall dash.ly
pip uninstall dash
pip uninstall dash-renderer
pip uninstall dash-html-components
pip uninstall dash-core-components
pip uninstall plotly
pip install dash==0.17.7
pip install dash-renderer==0.7.3
pip install dash-html-components==0.6.2
pip install dash-core-components==0.5.3
pip install plotly==2.0.12

Thanks

@eloiup

I feel like this is some issue where dash.ly (an older pre-release package) was getting installed through an early version of dash-renderer. This shouldn't be an issue for new package installs, but if anyone else sees this, the two comments above are the right things to try 👍 (note how pip uninstall dash.ly is included).

Thanks for reporting and helping @eloiup and @VincentBlanchard !

Traceback (most recent call last):
File "dash.py", line 1, in
import dash
File "/Users/sbaner03/Dropbox/Work/Leads/Axxis Dental/Aug17Code/dash.py", line 2, in
import dash_core_components as dcc
File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/dash_core_components/init.py", line 8, in
_components = _dash.development.component_loader.load_components(
AttributeError: module 'dash' has no attribute 'development'

I followed everything that is recommended above and yet i have an error

Hi,

I have the same issue and could not be resolved till now, I made sure there is no folder called dash or dash_core_components , also I have uninstalled and installed all components of dash and plotly...etc.

still same issue , also I'm wondering if dash requires internet connectivity to be imported , it worked multiple times then it was not able to start the same .py file.

You are correct - from the User Guide: "The JavaScript and CSS bundles that are included in Dash component libraries are hosted on the web (on the unpkg CDN) and in the Python packages that you install." More details here <https://plot.ly/dash/external-resources>

…

On Tue, Feb 20, 2018 at 8:26 PM, ButeForce ***@***.***> wrote: Hi, I have the same issue and could not be resolved till now, I made sure there is no folder called dash or dash_core_components , also I have uninstalled and installed all components of dash and plotly...etc. still same issue , also I'm wondering if dash requires internet connectivity to be imported , it worked multiple times then it was not able to start the same .py file. — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub <#82 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AOcd98rCyFXgzRBuId4GjjeySCt-hx_fks5tW5rvgaJpZM4OV4pM> .

-- Jasper Croome

But the machine has internet access and still importing dash fails

Merge pull request #82 from plotly/fix-dev-bundles

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dash_core_components Error #82

Heads up! Edited on October 24, 2018

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dash_core_components Error #82

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Heads up! Edited on October 24, 2018

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ALMTheWolfPackIA commented on Jul 12, 2017

eloiup commented on Jul 12, 2017

ALMTheWolfPackIA commented on Jul 12, 2017

chriddyp commented on Jul 21, 2017

sbaner03 commented on Aug 7, 2017

ButeForce commented on Feb 21, 2018

cd-jcroome commented on Feb 21, 2018

ButeForce commented on Feb 21, 2018

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