Fixed issue with closing file at the end in non-mpi mode

Author: aasensio

hazel/multiprocess.py

@@ -147,6 +147,8 @@ def nonmpi_work(self):
         if (self.model.working_mode == 'inversion'):
             for k, v in self.model.spectrum.items():
                 v.close_observation()
+
+        self.model.close_output()
 
 
     def mpi_parent_work(self, start=0, end=None):

test/test_nonmpi_syn1d.py

@@ -15,4 +15,9 @@ def test_nonmpi_syn1d():
 
         assert f['spec1']['stokes'].shape == (1,1,1,4,150), "incorrect dimensions in inversion"
 
-        f.close()
+        f.close()
+
+        try:
+            os.remove('output.h5')
+        except:
+            pass

test/test_single_inv.py

@@ -17,4 +17,9 @@ def test_single_inv():
 
     assert f['spec1']['stokes'].shape == (1,1,2,4,150), "incorrect dimensions in inversion"
 
-    f.close()
+    f.close()
+
+    try:
+        os.remove('output.h5')
+    except:
+        pass