cryptography package error when installing rasa 3.0.6

Products

• CA Service Management - Service Desk Manager
• CA Service Desk Manager

Issue/Introduction

When running the pip install rasa==3.0.6 the following error appears:

Collecting cryptography>=3.4.0; extra == "crypto" (from PyJWT[crypto]<3.0.0,>=2.0.0->rasa==3.0.6)

ERROR: Exception:
Traceback (most recent call last):
  File "<local path>\botenv\lib\site-packages\pip\_internal\cli\base_command.py", line 188, in main
    status = self.run(options, args)
  File "<local path>\botenv\lib\site-packages\pip\_internal\commands\install.py", line 345, in run
    resolver.resolve(requirement_set)
  File "<local path>\botenv\lib\site-packages\pip\_internal\legacy_resolve.py", line 196, in resolve
    self._resolve_one(requirement_set, req)
  File "<local path>\botenv\lib\site-packages\pip\_internal\legacy_resolve.py", line 359, in _resolve_one
    abstract_dist = self._get_abstract_dist_for(req_to_install)
  File "<local path>\botenv\lib\site-packages\pip\_internal\legacy_resolve.py", line 305, in _get_abstract_dist_for
    abstract_dist = self.preparer.prepare_linked_requirement(
  File "<local path>\botenv\lib\site-packages\pip\_internal\operations\prepare.py", line 214, in prepare_linked_requirement
    abstract_dist.prepare_distribution_metadata(
  File "<local path>\botenv\lib\site-packages\pip\_internal\distributions\source.py", line 30, in prepare_distribution_metadata
    self.req.load_pyproject_toml()
  File "<local path>\botenv\lib\site-packages\pip\_internal\req\req_install.py", line 501, in load_pyproject_toml
    pyproject_toml_data = load_pyproject_toml(
  File "<local path>\botenv\lib\site-packages\pip\_internal\pyproject.py", line 66, in load_pyproject_toml
    pp_toml = pytoml.load(f)
  File "<local path>\botenv\lib\site-packages\pip\_vendor\pytoml\parser.py", line 11, in load
    return loads(fin.read(), translate=translate, object_pairs_hook=object_pairs_hook, filename=getattr(fin, 'name', repr(fin)))
  File "<local path>\botenv\lib\site-packages\pip\_vendor\pytoml\parser.py", line 24, in loads
    ast = _p_toml(src, object_pairs_hook=object_pairs_hook)
  File "<local path>\botenv\lib\site-packages\pip\_vendor\pytoml\parser.py", line 340, in _p_toml
    s.expect_eof()
  File "<local path>\botenv\lib\site-packages\pip\_vendor\pytoml\parser.py", line 125, in expect_eof
    return self._expect(self.consume_eof())
  File "<local path>\botenv\lib\site-packages\pip\_vendor\pytoml\parser.py", line 165, in _expect
    raise TomlError('msg', self._pos[0], self._pos[1], self._filename)
pip._vendor.pytoml.core.TomlError: <local path>\pip-install-60xu4grs\cryptography\pyproject.toml(172, 1):

 

Environment

SDM 17.4

Cause

The pip version is not compatible

Resolution

1. Run the following command:

python -m pip install --upgrade pip

2. Re-run the rasa install with the following command:

pip install rasa==3.0.6