changed import_array() to import_array1(-1) to reduce warning: converting to non-pointer type ‘int’ from NULL. the same warning comes from mpi4py too

Author: sshiraiwa

mfem/_par/array.i

@@ -19,7 +19,7 @@
 #define PY_SSIZE_T_CLEAN
 %}
 %init %{
-import_array();
+import_array1(-1);
 %}
 
 %include "exception.i"

mfem/_par/arrays_by_name.i

@@ -15,7 +15,7 @@
 
 #ifdef FILE_EXISTS_GENERAL_ARRAYS_BY_NAME
 %init %{
-import_array();
+import_array1(-1);
 %}
 
 %include "exception.i"

mfem/_par/attribute_sets.i

@@ -15,7 +15,7 @@
 #ifdef FILE_EXISTS_MESH_ATTRIBUTE_SETS
 
 %init %{
-import_array();
+import_array1(-1);
 %}
 
 %include "exception.i"

mfem/_par/auxiliary.i

@@ -14,7 +14,7 @@
 %}
 
 %init %{
-import_array();
+import_array1(-1);
 %}
 
 %include "../common/mfem_config.i"

mfem/_par/bilinearform.i

@@ -14,7 +14,7 @@ using namespace mfem;
 %}
 
 %init %{
-import_array();
+import_array1(-1);
 %}
 %include "exception.i"
 

mfem/_par/bilininteg.i

@@ -15,7 +15,7 @@
 %}
 
 %init %{
-import_array();
+import_array1(-1);
 %}
 
 //%include "../common/cpointers.i"

mfem/_par/blockmatrix.i

@@ -13,7 +13,7 @@
 %}
 // initialization required to return numpy array from SWIG
 %init %{
-import_array();
+import_array1(-1);
 %}
 
 %include "exception.i"

mfem/_par/blockoperator.i

@@ -13,7 +13,7 @@
 %}
 // initialization required to return numpy array from SWIG
 %init %{
-import_array();
+import_array1(-1);
 %}
 %import "array.i"
 %import "vector.i"

mfem/_par/blockvector.i

@@ -9,7 +9,7 @@
 %}
 // initialization required to return numpy array from SWIG
 %init %{
-import_array();
+import_array1(-1);
 %}
 
 %include "exception.i"

mfem/_par/bounds.i

@@ -16,7 +16,7 @@
 #ifdef FILE_EXISTS_FEM_BOUNDS
 
 %init %{
-import_array();
+import_array1(-1);
 %}
 %include "exception.i"
 %import "vector.i"