trying to install the new enviro+
install script fails with error ;-
Searching for pms5003
Reading https://pypi.python.org/simple/pms5003/
Download error on https://pypi.python.org/simple/pms5003/: [Errno 107] Transport endpoint is not connected – Some packages may not be found!
Couldn’t find index page for ‘pms5003’ (maybe misspelled?)
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No local packages or working download links found for pms5003
error: Could not find suitable distribution for Requirement.parse(‘pms5003’)
can anyone help please