diff --git a/tests/BackendTests.py b/tests/BackendTests.py
index 755806e..d9b4dba 100644
--- a/tests/BackendTests.py
+++ b/tests/BackendTests.py
@@ -5,9 +5,10 @@ import unittest
 from datetime import datetime as ddatetime, datetime
 from pprint import pprint
 
+import numpy.ma.core
 from netCDF4 import Dataset
 
-from web.run import retrieve_amda_netcdf, get_data_for_target, _sta_sto, _read_var
+from web.run import retrieve_amda_netcdf, get_data_for_target, _sta_sto, _read_var, default_nc_keys
 
 FILE_DATE_FMT = "%Y-%m-%d %H:%M:%S"
 
@@ -72,21 +73,11 @@ class AmdaTestCase(BaseTestCase):
         self.assertIsInstance(s0, datetime)
         self.assertIsInstance(s1, datetime)
 
-    def test_read_nc(self):
+    def test_var_read_nc_float32(self):
         SCRIPT_PATH = os.path.dirname(__file__)
         PROJECT_DIR = os.path.abspath(os.path.join(SCRIPT_PATH, os.pardir))
         local_netc_file = os.path.join(PROJECT_DIR,'tests-resources', 'amda-irap-omp-eu-ddservice-base-data-omni-hour-omni202107010-nc')
         cdf_handle = Dataset(local_netc_file, "r", format="NETCDF4")
-        default_nc_keys = {
-            'hee': 'HEE',
-            'vtot': 'V',
-            'magn': 'B',
-            'temp': 'T',
-            'dens': 'N',
-            'pdyn': 'P_dyn',
-            'atse': 'Delta_angle',
-        }
         nc_keys = default_nc_keys.copy()
         data_v = _read_var(cdf_handle, nc_keys, 'vtot')
-        pprint(data_v)
-        pprint(data_v[0])
+        self.assertIsInstance(data_v[0], numpy.float32)
diff --git a/web/run.py b/web/run.py
index c0622b9..f02ac9c 100644
--- a/web/run.py
+++ b/web/run.py
@@ -332,6 +332,16 @@ def datetime_from_list(time_list):
         "%Y%j%H%M%S%f"
     )
 
+# Override these using the model configuration in config.yml
+default_nc_keys = {
+    'hee': 'HEE',
+    'vtot': 'V',
+    'magn': 'B',
+    'temp': 'T',
+    'dens': 'N',
+    'pdyn': 'P_dyn',
+    'atse': 'Delta_angle',
+}
 
 def _sta_sto(_cnf, _sta, _sto):
     if 'started_at' in _cnf:
@@ -349,7 +359,7 @@ def _sta_sto(_cnf, _sta, _sto):
 
 def _read_var(_nc, _keys, _key, mandatory=False):
     try:
-        return _nc.variables[_keys[_key]]
+        return _nc.variables[_keys[_key]][:]
     except KeyError:
         pass
     if mandatory:
@@ -673,16 +683,6 @@ def get_data_for_target(target_config, input_slug,
         # abort(500, "Invalid orbit configuration for '%s' : %s"
         #       % (target_config['slug'], str(e)))
 
-    # Override these using the model configuration in config.yml
-    default_nc_keys = {
-        'hee': 'HEE',
-        'vtot': 'V',
-        'magn': 'B',
-        'temp': 'T',
-        'dens': 'N',
-        'pdyn': 'P_dyn',
-        'atse': 'Delta_angle',
-    }
 
     precision = "%Y-%m-%dT%H"  # model and orbits times are only equal-ish
     orbit_data = {}  # keys are datetime as str, values arrays of XY
--
libgit2 0.21.2