mpi4py: change moduleclass to lib

Golden_Repo/m/mpi4py/mpi4py-3.1.3-gompi-2021b.eb

@@ -21,4 +21,4 @@ sanity_check_paths = {
     'dirs': ['lib/python%(pyshortver)s/site-packages/mpi4py'],
 }
 
-moduleclass = 'mpi'
+moduleclass = 'lib'

Golden_Repo/m/mpi4py/mpi4py-3.1.3-gpsmpi-2021b.eb

@@ -22,4 +22,4 @@ sanity_check_paths = {
     'dirs': ['lib/python%(pyshortver)s/site-packages/mpi4py'],
 }
 
-moduleclass = 'mpi'
+moduleclass = 'lib'

Golden_Repo/m/mpi4py/mpi4py-3.1.3-iimpi-2021b.eb

@@ -22,4 +22,4 @@ sanity_check_paths = {
     'dirs': ['lib/python%(pyshortver)s/site-packages/mpi4py'],
 }
 
-moduleclass = 'mpi'
+moduleclass = 'lib'

Golden_Repo/m/mpi4py/mpi4py-3.1.3-iompi-2021b.eb

@@ -22,4 +22,4 @@ sanity_check_paths = {
     'dirs': ['lib/python%(pyshortver)s/site-packages/mpi4py'],
 }
 
-moduleclass = 'mpi'
+moduleclass = 'lib'

Golden_Repo/m/mpi4py/mpi4py-3.1.3-ipsmpi-2021b.eb

@@ -22,4 +22,4 @@ sanity_check_paths = {
     'dirs': ['lib/python%(pyshortver)s/site-packages/mpi4py'],
 }
 
-moduleclass = 'mpi'
+moduleclass = 'lib'