Fix version checking and other typos

test/tst_alignment.py

@@ -3,17 +3,22 @@
 import tempfile, unittest, os
 import numpy as np
 
-libversion= tuple(int(v) for v in netCDF4.__netcdf4libversion__.split('.'))
+# During testing, sometimes development versions are used.
+# They may be written as 4.9.1-development
+libversion_no_development = netCDF4.__netcdf4libversion__.split('-')[0]
+libversion = tuple(int(v) for v in libversion_no_development.split('.'))
 has_alignment = (libversion[0] > 4) or (
     libversion[0] == 4 and (libversion[1] >= 9)
 )
 
 file_name = tempfile.NamedTemporaryFile(suffix='.nc', delete=False).name
 
+
 def is_aligned(dataset, offset=4096):
     # Here we check if the dataset is aligned
     return dataset.id.get_offset() % offset == 0
 
+
 class AlignmentTestCase(unittest.TestCase):
     def setUp(self):
         self.file = file_name
@@ -40,12 +45,11 @@ def test_version_settings(self):
             set_alignment(0, 0)
             assert get_alignment() == (0, 0)
         else:
-            with self.assertRaises(RunetimeError):
+            with self.assertRaises(RuntimeError):
                 set_alignment(0, 0)
-            with self.assertRaises(RunetimeError):
+            with self.assertRaises(RuntimeError):
                 get_alignment(0, 0)
 
-
     def test_setting_alignment(self):
         # if we have no support for alignment, we have no guarantees on
         # how the data can be aligned
@@ -61,10 +65,10 @@ def test_setting_alignment(self):
                 v = h5file[f'data{i:02d}']
                 assert is_aligned(v, offset=4096)
 
-
     def tearDown(self):
         # Remove the temporary files
         os.remove(self.file)
 
+
 if __name__ == '__main__':
     unittest.main()