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<urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1076)> – Debian

I did the manual installation on python 3.7.5 on Debian 8, when I will run the script I get this error:

<urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1076)>

I saw several questions here in the stackoverflow more regarding MacOS, In my case this error is in Linux.

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6

Answers


  1. 0

    THIS IS NOT A SOLUTION:
    I have encountered that several times, note however that i’m using windows, but i would assume that generally the resolving mehtods should be the same in principle for mac/linux.

    What i used to do is to force it to not verify the certificate by using the below:

    conda config --set ssl_verify false

    Note this is not a solution to the issue, it’s just a way to make the code run temporarily, or if you’re trying to download a library then that should do the trick until you download it. Note that the suggested below is not usually recommended, if you do it, after running your code/ downloading your library, remember to turn it back on using the below:

    conda config --set ssl_verify true
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  2. 0

    I had the same issue. Here is what I found helped my problem. 

    import ssl

ssl._create_default_https_context = ssl._create_unverified_context

    Please see here for the original answer from markroxor. Hope it will help your problem as well.

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  3. 0

    I had

    <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1123)>

    With python3 3.9.2-3, and other python related packages with the same, or similar, version. On Debian GNU/Linux 11 (Bullseye).

    At first, using the suggested

    import ssl
ssl._create_default_https_context = ssl._create_unverified_context

    managed to solve the problem. Though I do not know if, and which, down sides, or other side effects, this solution has.

    Afterwards, I noticed the /etc/ssl/certs/ folder is empty. Installing the ca-certificates package fills in this folder. Which seem to be another solution, in which those 2 python ssl lines are not required. You can see here the detailed list of files the ca-certificates package installed. This article, from 2015, with a last comment from 2017, discusses the location of ca-certificates in various OSs/distributions. I think the ca-certificates package is rather basic, and is usually installed as part of the initial installation of the machine. I do not know how it was missing from that particular machine.

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  4. 0

    If this happened after you installed a python version manually, inside the python app folder, double click on the "Install Certificates.command" file and it should fix it.

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  5. 0

    What worked for my MacOs:

    1. Open the finder

    2. Find the version of Python that you are using

    3. Open its folder

    4. Click on the "Install Certificates.command". It will open a terminal and install the certificate.

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  6. 0

    In my case (Dell computer), the SSL problem was caused by Dell software itself:
    reported here. In that case, according to this answer to another question in the SE network, you can solve the problem by running the following command:

    sudo cp /usr/lib/x86_64-linux-gnu/libcrypto.so.3 /opt/dell/dcc/libcrypto.so.3

    And then, run this:

    sudo update-ca-certificates --fresh

    It worked for me on a Dell Latitude 7310, LinuxMint21. November 2022.

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