$ which python3
/usr/bin/python3
$ python3
Python 3.8.5 (default, Jul 28 2020, 12:59:40) 
[GCC 9.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> sys.path
['', '/usr/lib/python38.zip', '/usr/lib/python3.8', '/usr/lib/python3.8/lib-dynload', '/home/jkugler/.local/lib/python3.8/site-packages', '/usr/local/lib/python3.8/dist-packages', '/usr/lib/python3/dist-packages']
>>> import jsonschema
>>> jsonschema.__file__
'/usr/lib/python3/dist-packages/jsonschema/__init__.py'

$ bpython
bpython version 0.18 on top of Python 3.8.5 /usr/bin/python3
>>> import sys
>>> sys.path
['', '/usr/bin', '/usr/lib/python38.zip', '/usr/lib/python3.8', '/usr/lib/python3.8/lib-dynload', '/home/jkugler/.local/lib/python3.8/site-packages', '/usr/local/lib/python3.8/dist-packages', '/usr/lib/python3/dist-packages']
>>> import jsonschema
Traceback (most recent call last):
  File "<input>", line 1, in <module>
    import jsonschema
  File "/usr/lib/python3/dist-packages/bpython/curtsiesfrontend/repl.py", line 243, in load_module
    module = self.loader.load_module(name)
  File "/usr/lib/python3/dist-packages/jsonschema/__init__.py", line 34, in <module>
    __version__ = metadata.version("jsonschema")
  File "/usr/lib/python3.8/importlib/metadata.py", line 531, in version
    return distribution(distribution_name).version
  File "/usr/lib/python3.8/importlib/metadata.py", line 504, in distribution
    return Distribution.from_name(distribution_name)
  File "/usr/lib/python3.8/importlib/metadata.py", line 177, in from_name
    raise PackageNotFoundError(name)
importlib.metadata.PackageNotFoundError: jsonschema