# \[ethereum\_ropsten\] ModuleNotFoundError: No module named 'rlp'

**URL:** <https://community.blockcerts.org/t/ethereum-ropsten-modulenotfounderror-no-module-named-rlp/2754>\
**Category:** Technical\
**Created:** [February 22, 2021, 9:29pm UTC](https://community.blockcerts.org/t/ethereum-ropsten-modulenotfounderror-no-module-named-rlp/2754 "2021-02-22T21:29:34Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![nitinb](https://avatars.discourse-cdn.com/v4/letter/n/82dd89/32.png) [@nitinb](https://community.blockcerts.org/u/nitinb)\
**Post date:** [February 23, 2021, 5:37pm UTC](https://community.blockcerts.org/t/ethereum-ropsten-modulenotfounderror-no-module-named-rlp/2754/2 "2021-02-23T17:37:28Z")

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Guy can anyone please help in this.  
@Taibah @JustNET JustN @dannysuarez @jackblock @yosuke @lemoustachiste Anyone?  
I am struck here for couple of days .

I tried after adding scrypt, in the Docker file.

Mentioned by @JustNET

> [@No module named setuptools](https://community.blockcerts.org/t/no-module-named-setuptools/1383/9):
>
> Solved now. I had to run the following;  
> sudo apt-get install build-essential libssl-dev python-dev  
> sudo apt-get install -y scrypt

## but issue is still there.

My docker file looks like this -

(venv) bash-4.3# cat ../cert-issuer/Dockerfile  
FROM seegno/bitcoind:0.13-alpine  
MAINTAINER Kim Duffy “kimhd@mit.edu”

COPY . /cert-issuer  
COPY conf\_regtest.ini /etc/cert-issuer/conf.ini

RUN apk add --update   
bash   
ca-certificates   
curl   
gcc   
gmp-dev   
libffi-dev   
libressl-dev   
linux-headers   
make   
musl-dev   
python   
python3   
libssl-dev   
build-essential   
python-dev   
python3-dev   
scrypt   
tar   
g++  
libxslt-dev   
&& python3 -m ensurepip   
&& pip3 install --upgrade pip setuptools   
&& mkdir -p /etc/cert-issuer/data/unsigned\_certificates   
&& mkdir /etc/cert-issuer/data/blockchain\_certificates   
&& mkdir ~/.bitcoin   
&& echo $‘rpcuser=foo\nrpcpassword=bar\nrpcport=8332\nregtest=1\nrelaypriority=0\nrpcallowip=127.0.0.1\nrpcconnect=127.0.0.1\n’ \> /root/.bitcoin/bitcoin.conf   
&& pip3 install chainpoint\>=0.0.2   
&& sed -i.bak s/==1.0b1/\>=1.0.2/g /usr/lib/python3._/site-packages/merkletools-1.0.2-py3._.egg-info/requires.txt   
&& pip3 install /cert-issuer/.   
&& rm -r /usr/lib/python\*/ensurepip   
&& rm -rf /var/cache/apk/\*   
&& rm -rf /root/.cache

ENTRYPOINT bitcoind -daemon && bash

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