Namespaces in Imports field not imported from:
  ‘plotrix’ ‘sp’ ‘viridis’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘plotrix’ ‘sp’ ‘viridis’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  'plotrix' 'sp' 'viridis'
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘plotrix’ ‘sp’ ‘viridis’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘plotrix’ ‘sp’ ‘viridis’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘plotrix’ ‘sp’ ‘viridis’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘plotrix’ ‘sp’ ‘viridis’
  All declared Imports should be used.