Cython API: added some imports in __init__ files

python/obitools3/dms/view/__init__.py

@@ -1,3 +1,2 @@
-#from .view import View                 # @UnresolvedImport
-#from .view import Line_selection       # @UnresolvedImport
-#from .view import Line                 # @UnresolvedImport
+from .view import View                 # @UnresolvedImport
+from .view import Line_selection       # @UnresolvedImport

python/obitools3/dms/view/typed_view/__init__.py

@@ -0,0 +1 @@
+from .view_NUC_SEQS import View_NUC_SEQS                 # @UnresolvedImport