bump scipy dependency version in setup.py (to allow using scipy.optimize.elementwise) + 2 new @pytest.mark.xfail() for the buggy R&S'82 example code

setup.py

@@ -26,19 +26,7 @@
     ),
     "Pint",
     "chempy",
-    "scipy"
-    + (
-        {
-            8: "==1.10.1",
-            9: "==1.10.1",
-            10: "==1.10.1",
-            11: "==1.10.1",
-            12: "==1.13.0",
-            13: "==1.13.0",
-        }[sys.version_info.minor]
-        if CI
-        else ""
-    ),
+    "scipy" + ("=" if CI else ">") + "=1.15.0",  # needed for scipy.optimize.elementwise
     "pyevtk",
     "pyparsing" + ("==3.2.5" if CI else ""),
 ]

tests/smoke_tests/parcel_d/rozanski_and_sonntag_1982/test_figs_4_5_6.py

@@ -1,5 +1,6 @@
 """tests ensuring values on plots match those in the paper"""
 
+import sys
 from pathlib import Path
 import platform
 
@@ -28,6 +29,12 @@ def variables_fixture():
 )
 class TestFigs456:
     @staticmethod
+    @pytest.mark.xfail(
+        sys.platform != "win32",
+        reason="bug TODO #1207",
+        raises=AssertionError,
+        strict=True,
+    )
     def test_fig_5_vapour_asymptote(variables):
         delta_vapour_at_the_cloud_top_per_mille = in_unit(
             variables["FORMULAE"].trivia.isotopic_ratio_2_delta(
@@ -49,6 +56,12 @@ def test_fig_5_vapour_asymptote(variables):
         )
 
     @staticmethod
+    @pytest.mark.xfail(
+        sys.platform != "win32",
+        reason="bug TODO #1207",
+        raises=AssertionError,
+        strict=True,
+    )
     def test_fig_5_rain_at_the_cloud_base(variables):
         delta_rain_at_the_cloud_base_per_mille = in_unit(
             variables["FORMULAE"].trivia.isotopic_ratio_2_delta(