Tiny update to bump version number to 2.8.1 to fix pypi release #patch

.github/workflows/logger.sh

@@ -96,7 +96,7 @@ fi
 echo -e "## ${tag_new}\n" >> entry
 append_to_entry_with_label "$features" entry ":rocket: New features"
 append_to_entry_with_label "$enhancements" entry ":cake: Enhancements"
-append_to_entry_with_label "$maintenance" entry ":wrench: Maintenace"
+append_to_entry_with_label "$maintenance" entry ":wrench: Maintenance"
 append_to_entry_with_label "$changes" entry ":warning: API changes"
 append_to_entry_with_label "$fixes" entry ":bug: Bugfixes"
 append_to_entry_with_label "$documentation" entry ":green_book: Documentation"

tests/integration/PoreSpyIO_on_Berea.py

@@ -65,7 +65,7 @@
 F = 1/Deff
 print(f"The Formation factor of the extracted network is {F}")
 print(f"The compares to a value of {data['formation factor']['Fx']} from DNS")
-assert F/data['formation factor']['Fx'] < 1.9  # within 9%
+np.testing.assert_allclose(F, data['formation factor']['Fx'], rtol=0.09)
 
 # %% Perform Stokes flow to find Permeability coefficient
 sf = op.algorithms.StokesFlow(network=pn, phase=gas)
@@ -78,4 +78,4 @@
 K = sf.rate(pores=pn.pores('xmin'))*(L/A)/dP*1e12
 print(f'Permeability coefficient is {K} Darcy')
 print(f"The compares to a value of {data['permeability']['Kx']/1000} from DNS")
-assert K/(data['permeability']['Kx']/1000) > 0.95  # within 5%
+np.testing.assert_allclose(K, data['permeability']['Kx']/1000, rtol=0.05)