@@ -78,7 +78,7 @@ def test_atmospheric_dep(self):
7878
7979 d1 = {"ammonia" : 1 , "nitrate" : 4 , "phosphate" : 2 , "volume" : 0 , "temperature" : 0 }
8080 d2 = {"volume" : 0 , "temperature" : 0 , "phosphate" : 0 }
81- ( r1 , r2 ) = surface .atmospheric_deposition ()
81+ r1 , r2 = surface .atmospheric_deposition ()
8282 self .assertDictAlmostEqual (d1 , r1 )
8383 self .assertDictAlmostEqual (d2 , r2 )
8484
@@ -93,7 +93,7 @@ def test_precip_dep(self):
9393
9494 d1 = {"ammonia" : 1 , "nitrate" : 4 , "phosphate" : 2 , "volume" : 0 , "temperature" : 0 }
9595 d2 = {"volume" : 0 , "temperature" : 0 , "phosphate" : 0 }
96- ( r1 , r2 ) = surface .precipitation_deposition ()
96+ r1 , r2 = surface .precipitation_deposition ()
9797 self .assertDictAlmostEqual (d1 , r1 )
9898 self .assertDictAlmostEqual (d2 , r2 )
9999
@@ -164,7 +164,7 @@ def test_simple_dep(self):
164164
165165 surface = Surface (pollutant_load = d1 , area = 1 )
166166
167- ( in_ , out_ ) = surface .simple_deposition ()
167+ in_ , out_ = surface .simple_deposition ()
168168
169169 d2 = {"volume" : 0 , "temperature" : 0 , "phosphate" : 0 }
170170 self .assertDictAlmostEqual (d1 , in_ )
@@ -193,7 +193,7 @@ def test_urban_precip(self):
193193 d1 = {"volume" : 0.1 * 1.5 , "temperature" : 0 , "phosphate" : 0 }
194194 d2 = {"phosphate" : 0 , "volume" : 0.01 * 1.5 * 0.9 , "temperature" : 0 }
195195 d3 = {"phosphate" : 0 , "temperature" : 10 , "volume" : (0.1 - 0.01 * 0.9 ) * 1.5 }
196- ( r1 , r2 ) = surface .precipitation_evaporation ()
196+ r1 , r2 = surface .precipitation_evaporation ()
197197 self .assertDictAlmostEqual (d1 , r1 , 17 )
198198 self .assertDictAlmostEqual (d2 , r2 , 17 )
199199 self .assertDictAlmostEqual (d3 , surface .storage , 17 )
@@ -206,7 +206,7 @@ def test_urban_precip(self):
206206 "temperature" : 10 ,
207207 "volume" : (0.1 - (0.01 + 0.02 ) * 0.9 ) * 1.5 ,
208208 }
209- ( r1 , r2 ) = surface .precipitation_evaporation ()
209+ r1 , r2 = surface .precipitation_evaporation ()
210210 self .assertDictAlmostEqual (d3 , r1 , 17 )
211211 self .assertDictAlmostEqual (d4 , r2 , 17 )
212212 self .assertDictAlmostEqual (d5 , surface .storage , 17 )
@@ -279,7 +279,7 @@ def test_ihacres1(self):
279279
280280 node .t = 1
281281
282- ( r1 , r2 ) = surface .ihacres ()
282+ r1 , r2 = surface .ihacres ()
283283
284284 d1 = {"volume" : 0.1 * 1.5 , "phosphate" : 0 , "temperature" : 0 }
285285
@@ -350,7 +350,7 @@ def test_ihacres2(self):
350350
351351 node .t = 1
352352
353- ( r1 , r2 ) = surface .ihacres ()
353+ r1 , r2 = surface .ihacres ()
354354
355355 evaporation_ = (
356356 0.01
@@ -407,7 +407,7 @@ def test_ihacres3(self):
407407
408408 node .t = 1
409409
410- ( r1 , r2 ) = surface .ihacres ()
410+ r1 , r2 = surface .ihacres ()
411411
412412 d1 = {"volume" : 0.1 * 1.5 , "phosphate" : 0 , "temperature" : 0 }
413413
@@ -472,7 +472,7 @@ def test_perv_route(self):
472472 surface .subsurface_flow = d2
473473 surface .percolation = d3
474474
475- ( r1 , r2 ) = surface .route ()
475+ r1 , r2 = surface .route ()
476476 self .assertDictAlmostEqual (d4 , r1 )
477477 self .assertDictAlmostEqual (d4 , r2 )
478478 self .assertDictAlmostEqual (d1 , land .surface_runoff .storage )
@@ -508,7 +508,7 @@ def test_soil_temp(self):
508508 "phosphate" : 0.2 ,
509509 }
510510
511- ( r1 , r2 ) = surface .calculate_soil_temperature ()
511+ r1 , r2 = surface .calculate_soil_temperature ()
512512 self .assertDictAlmostEqual (d1 , r1 )
513513 self .assertDictAlmostEqual (d1 , r2 )
514514 self .assertDictAlmostEqual (d2 , surface .storage , 14 )
@@ -727,7 +727,7 @@ def test_fertiliser(self):
727727 node .monthyear = 1
728728 surface .parent = node
729729
730- ( r1 , r2 ) = surface .fertiliser ()
730+ r1 , r2 = surface .fertiliser ()
731731
732732 d1 = surface .empty_vqip ()
733733
@@ -752,7 +752,7 @@ def test_manure(self):
752752 node .monthyear = 1
753753 surface .parent = node
754754
755- ( r1 , r2 ) = surface .manure ()
755+ r1 , r2 = surface .manure ()
756756
757757 d1 = surface .empty_vqip ()
758758
@@ -844,7 +844,7 @@ def test_soil_pool(self):
844844
845845 nut_p = surface .nutrient_pool
846846 cf = nut_p .temperature_dependence_factor * nut_p .soil_moisture_dependence_factor
847- ( r1 , r2 ) = surface .soil_pool_transformation ()
847+ r1 , r2 = surface .soil_pool_transformation ()
848848
849849 fast_ = {"N" : isoil ["org-nitrogen" ], "P" : isoil ["org-phosphorus" ]} # original
850850 dissolved_inorganic_ = {
@@ -919,7 +919,7 @@ def test_crop_uptake(self):
919919 surface .days_after_sow = date .dayofyear - surface .sowing_day
920920 _ = surface .calc_crop_cover ()
921921
922- ( r1 , r2 ) = surface .calc_crop_uptake ()
922+ r1 , r2 = surface .calc_crop_uptake ()
923923
924924 d1 = surface .empty_vqip ()
925925 self .assertDictAlmostEqual (r1 , d1 )
@@ -956,7 +956,7 @@ def test_erosion1(self):
956956 node .t = date
957957 surface .parent = node
958958 _ = surface .ihacres ()
959- ( r1 , r2 ) = surface .erosion ()
959+ r1 , r2 = surface .erosion ()
960960 d1 = surface .empty_vqip ()
961961 self .assertDictAlmostEqual (d1 , r2 )
962962 d1 ["phosphate" ] = 0.0019497135091285024
@@ -979,7 +979,7 @@ def test_erosion2(self):
979979 node .t = date
980980 surface .parent = node
981981 _ = surface .ihacres ()
982- ( r1 , r2 ) = surface .erosion ()
982+ r1 , r2 = surface .erosion ()
983983 d1 = surface .empty_vqip ()
984984 self .assertDictAlmostEqual (d1 , r2 )
985985 d1 ["phosphate" ] = 1.0244298083948e-06
@@ -1002,7 +1002,7 @@ def test_erosion3(self):
10021002 node .t = date
10031003 surface .parent = node
10041004 _ = surface .ihacres ()
1005- ( r1 , r2 ) = surface .erosion ()
1005+ r1 , r2 = surface .erosion ()
10061006 d1 = surface .empty_vqip ()
10071007 self .assertDictAlmostEqual (d1 , r2 )
10081008 d1 ["phosphate" ] = 8.3285749289e-09
@@ -1014,7 +1014,7 @@ def test_denitrification(self):
10141014 constants .set_default_pollutants ()
10151015 surface , ivol , isoil = self .create_growing_surface ()
10161016 surface .calc_temperature_dependence_factor ()
1017- ( r1 , r2 ) = surface .denitrification ()
1017+ r1 , r2 = surface .denitrification ()
10181018 d1 = surface .empty_vqip ()
10191019 self .assertDictAlmostEqual (d1 , r1 )
10201020 d1 ["nitrate" ] = 0.03295446191742672
@@ -1024,7 +1024,7 @@ def test_desorption(self):
10241024 constants .set_default_pollutants ()
10251025 surface , ivol , isoil = self .create_growing_surface ()
10261026 surface .nutrient_pool .adsorbed_inorganic_pool .storage ["P" ] = 1e6
1027- ( r1 , r2 ) = surface .adsorption ()
1027+ r1 , r2 = surface .adsorption ()
10281028 d1 = surface .empty_vqip ()
10291029 self .assertDictAlmostEqual (d1 , r2 )
10301030 d1 ["phosphate" ] = 29534.602916697728
@@ -1054,7 +1054,7 @@ def test_adsorption(self):
10541054
10551055 surface .fertiliser ()
10561056
1057- ( r1 , r2 ) = surface .adsorption ()
1057+ r1 , r2 = surface .adsorption ()
10581058 d1 = surface .empty_vqip ()
10591059 self .assertDictAlmostEqual (d1 , r1 )
10601060 d1 ["phosphate" ] = 1.5761692429741743
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