Question: strange error: Class AMSupportURLConnectionDelegate is implemented in both /usr/lib/libauthinstall.dylib (0x1ed612c10) and /System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice (0x1167bc2b8). One of the two will be used. Wh

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Question: strange error: Class AMSupportURLConnectionDelegate is implemented in both /usr/lib/libauthinstall.dylib (0x1ed612c10) and /System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice (0x1167bc2b8). One of the two will be used. Wh

pip3 list
objc[927]: Class AMSupportURLConnectionDelegate is implemented in both /usr/lib/libauthinstall.dylib (0x1ed612c10) and /System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice (0x1167bc2b8). One of the two will be used. Which one is undefined.
objc[927]: Class AMSupportURLSession is implemented in both /usr/lib/libauthinstall.dylib (0x1ed612c60) and /System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice (0x1167bc308). One of the two will be used. Which one is undefined.
Package Version
---------- -------
pip 19.2.3 
setuptools 41.2.0 
six 1.15.0 
wheel 0.33.1 
WARNING: You are using pip version 19.2.3, however version 21.1.2 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.

which pip3
/usr/bin/pip3

Posted on Jun 1, 2021 1:30 PM

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Answer 1

★ Helpful

excelsior_ink

Level 1

(28 points)

Jun 1, 2021 1:37 PM in response to excelsior_ink In response to excelsior_ink

It seems it was caused maybe due to uninstalling homebrew. I fixed it by:

sudo xcode-select -r

Jun 1, 2021 1:37 PM

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Answer 2

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excelsior_ink

Level 1

(28 points)

Jun 9, 2021 8:22 PM in response to excelsior_ink In response to excelsior_ink

The error is still happening

Jun 9, 2021 8:22 PM

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Answer 3

gfn4

Level 1

(4 points)

Jun 28, 2021 9:15 AM in response to excelsior_ink In response to excelsior_ink

if you are on m1 Mac I get this error if I attempt to use home-brew in a Rosetta terminal, but I have installed home brew for the native Apple Silicon. Not sure if it occurs in the reverse, but if you have created a copy of your terminal app to run using Rosetta try using the other version of the terminal.

Jun 28, 2021 9:15 AM

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Question: Q: strange error: Class AMSupportURLConnectionDelegate is implemented in both /usr/lib/libauthinstall.dylib (0x1ed612c10) and /System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice (0x1167bc2b8). One of the two will be used. Wh

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Question: strange error: Class AMSupportURLConnectionDelegate is implemented in both /usr/lib/libauthinstall.dylib (0x1ed612c10) and /System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice (0x1167bc2b8). One of the two will be used. Wh