fix package version function

Author: giancastro

MANIFEST.in

@@ -1,5 +1,6 @@
 include *.txt
 include *.md
+include xrspatial/.version
 
 graft xrspatial
 graft xrspatial/examples
@@ -14,12 +15,10 @@ prune img
 prune .idea
 
 exclude xrspatial/.DS_Store
-exclude xrspatial/.version
 exclude examples/.ipynb_checkpoints/*
 exclude examples/user_guide/.ipynb_checkpoints/*
 exclude xrspatial/_version.py
 exclude xrspatial/.DS_Store
-exclude xrspatial/.version
 exclude xrspatial/__pycache__/*
 
 exclude xrspatial/examples/user_guide_idea/*

pyproject.toml

@@ -1,5 +1,6 @@
 [build-system]
 requires = [
+    'param >=1.6.1',
     'pyct >= 0.4.8',
     'setuptools >= 54.1.2',
     'wheel >= 0.36.2',