--8<---------------cut here---------------end--------------->8---

Here is the entire stack trace for reference.

--8<---------------cut here---------------start------------->8---

antwane@wmguix ~$ onlykey-agent git@github.com
Traceback (most recent call last):
  File "/gnu/store/s2w1lq80x9vcwp5382kn98f5pi2k4b7b-python-onlykey-agent-1.1.12/bin/.onlykey-agent-real", line 11, in <module>
    load_entry_point('onlykey-agent==1.1.12', 'console_scripts', 'onlykey-agent')()
  File "/gnu/store/sd2ic7bpv8fx3imy1j8xcjclx71sv6q0-python-3.8.2/lib/python3.8/site-packages/pkg_resources/__init__.py", line 489, in load_entry_point
    return get_distribution(dist).load_entry_point(group, name)
  File "/gnu/store/sd2ic7bpv8fx3imy1j8xcjclx71sv6q0-python-3.8.2/lib/python3.8/site-packages/pkg_resources/__init__.py", line 2852, in load_entry_point
    return ep.load()
  File "/gnu/store/sd2ic7bpv8fx3imy1j8xcjclx71sv6q0-python-3.8.2/lib/python3.8/site-packages/pkg_resources/__init__.py", line 2443, in load
    return self.resolve()
  File "/gnu/store/sd2ic7bpv8fx3imy1j8xcjclx71sv6q0-python-3.8.2/lib/python3.8/site-packages/pkg_resources/__init__.py", line 2449, in resolve
    module = __import__(self.module_name, fromlist=['__name__'], level=0)
  File "/gnu/store/s2w1lq80x9vcwp5382kn98f5pi2k4b7b-python-onlykey-agent-1.1.12/bin/onlykey_agent.py", line 2
    export PYTHONPATH="/gnu/store/s2w1lq80x9vcwp5382kn98f5pi2k4b7b-python-onlykey-agent-1.1.12/lib/python3.8/site-packages:/gnu/store/ahbp2qnrx7m6m5yrxcfsf37gqmgkm13c-python-lib-agent-1.0.3/lib/python3.8/site-packages:/gnu/store/xq0bpzrxy461igy3vwymgmlfg85ghfgv-python-onlykey-1.2.6/lib/python3.8/site-packages:/gnu/store/sd2ic7bpv8fx3imy1j8xcjclx71sv6q0-python-3.8.2/lib/python3.8/site-packages:/gnu/store/gb0xnb6vldlmwiky77w7hxpkjbvp1560-python-wheel-0.36.2/lib/python3.8/site-packages:/gnu/store/7c48ls8c4xddx22yy7rlnszs0fjl56k7-python-unidecode-1.1.1/lib/python3.8/site-packages:/gnu/store/hi8yk6yzivzwpxak2fcggd6zl887n7zj-python-semver-2.9.0/lib/python3.8/site-packages:/gnu/store/gvka9y88b5i6h1fbwb5qxi8vv0ajh6d3-python-pynacl-1.4.0/lib/python3.8/site-packages:/gnu/store/4153n7v3hy0pn2df0c8rag7v4gmgg0ki-python-pymsgbox-1.0.6/lib/python3.8/site-packages:/gnu/store/ppdbw2sl5filj79rl6k0wqy7xkz2603n-python-pycryptodome-3.9.9/lib/python3.8/site-packages:/gnu/store/b2pf54i477iby8f17am9p0x2bz96gn63-python-mnemonic-0.20/lib/python3.8/site-packages:/gnu/store/3vl9a6y7d9r3w3diy2bj15jxd0qgzycv-python-ecdsa-0.14.1/lib/python3.8/site-packages:/gnu/store/1qz6j51mmn2z1za41fb9vs9dgmwisng3-python-docutils-0.16/lib/python3.8/site-packages:/gnu/store/v74q9niaprwv0l25hb1hcyhvyzwp7zmf-python-daemon-2.2.3/lib/python3.8/site-packages:/gnu/store/jvm96kifzns968g0l115chfdp3n5ksba-python-configargparse-1.2.3/lib/python3.8/site-packages:/gnu/store/j3w4j8x76n7wdbjrh377fwx4hwgmfwmy-python-backports.shutil-which-3.5.2/lib/python3.8/site-packages:/gnu/store/hjmz8ymac939ribn7g3jkgms4dk2az3a-python-six-1.14.0/lib/python3.8/site-packages:/gnu/store/bxbhdka9x8pnl7jnpkvz1nvgg2m8xqfs-python-prompt-toolkit-3.0.18/lib/python3.8/site-packages:/gnu/store/2lrpayrb6rrfmscfkfii65jdd328v945-python-onlykey-solo-0.0.28/lib/python3.8/site-packages:/gnu/store/1xmngywbzxx8lb539z4zcggm12gw6lzm-python-hidapi-0.7.99.post21/lib/python3.8/site-packages:/gnu/store/j1qn1pjvpyljmrb7hh1pjsgz44b13y5i-python-cython-0.29.22/lib/python3.8/site-packages:/gnu/store/d5zp1z8vz42c8b69fszck1vqh59npms4-python-aenum-2.2.4/lib/python3.8/site-packages:/gnu/store/sfy8vc8da10appy093izjz4byzd7sfqp-python-cffi-1.14.4/lib/python3.8/site-packages:/gnu/store/wi6ihkh2dq1sj6pq6g28f5vw157kfy8x-python-lockfile-0.12.2/lib/python3.8/site-packages:/gnu/store/xjiplzqxr084ximm4wdhyx3wzf8nxvv0-python-wcwidth-0.1.8/lib/python3.8/site-packages:/gnu/store/kffam5lzshdhb0ygq0r76gqvavs0190c-python-requests-2.25.0/lib/python3.8/site-packages:/gnu/store/qkj3ssg0y3ya0d450pp0kaa7zbg9i0x6-python-pyusb-1.0.2/lib/python3.8/site-packages:/gnu/store/b3k1kmx7rzkykb4ik5nz0jdabqr86vvv-python-pyserial-3.5/lib/python3.8/site-packages:/gnu/store/w3q52n0pc5zvblr8qdsgdfiw33psj6pz-python-intelhex-2.2.1/lib/python3.8/site-packages:/gnu/store/fpk2f2jwqah0s340hdhmr734vvxq3z3j-python-fido2-0.9.1/lib/python3.8/site-packages:/gnu/store/sjiiqs605sfsqxjdkcm3m8rx0ahv5wvv-python-cryptography-3.3.1/lib/python3.8/site-packages:/gnu/store/5a12m99wdfqydzwx46nlfqqvi9q3pq49-python-click-7.1.2/lib/python3.8/site-packages:/gnu/store/k08j1silv8zxfglz3mb5q7ngmya9cv39-python-pycparser-2.20/lib/python3.8/site-packages:/gnu/store/fd7sx13lhrgbrnsa5k3g8inas417p5q5-python-urllib3-1.26.4/lib/python3.8/site-packages:/gnu/store/ihl3h0s000vlkvadxvv21cbn4fqzvmav-python-idna-2.10/lib/python3.8/site-packages:/gnu/store/ysvrcvvaajbg432f7pr0k8x2w21lnz81-python-chardet-3.0.4/lib/python3.8/site-packages:/gnu/store/2j54g0s8db1b10ggs4rirfb5vv8abm2y-python-certifi-2020.12.5/lib/python3.8/site-packages:/gnu/store/q01v2xjfcl7d020y3yh865695gm8i3gx-python-iso8601-0.1.13/lib/python3.8/site-packages:/gnu/store/xkcc4372psi79xiidw4k33nmyf6mk36h-python-asn1crypto-1.4.0/lib/python3.8/site-packages:/gnu/store/xgsczafbfkmqmanm87nx2qfyzp4h313i-python-pysocks-1.7.1/lib/python3.8/site-packages:/gnu/store/wand0zrwwnds6x636746116cfh3sy50k-python-pyopenssl-20.0.0/lib/python3.8/site-packages${PYTHONPATH:+:}$PYTHONPATH"
           ^
SyntaxError: invalid syntax

--8<---------------cut here---------------end--------------->8---

Regards,