ci: prevent latex formating errors with nbval

tests/conftest.py → conftest.py

@@ -21,6 +21,11 @@
     MPI = None
 
 
+def pytest_collectstart(collector):
+    if collector.fspath and collector.fspath.ext == '.ipynb':
+        collector.skip_compare += ('text/latex', 'stderr')
+
+
 def skipif(items, whole_module=False):
     assert isinstance(whole_module, bool)
     items = as_tuple(items)

examples/cfd/08_shallow_water_equation.ipynb

@@ -265,7 +265,7 @@
     "N0 = 0. * M0\n",
     "D0 = eta0 + 50.\n",
     "\n",
-    "grid  = Grid(shape=(ny, nx), extent=(Ly, Lx), dtype=np.float64)"
+    "grid  = Grid(shape=(ny, nx), extent=(Ly, Lx), dtype=np.float32)"
    ]
   },
   {

examples/seismic/source.py

@@ -58,10 +58,10 @@ def __init__(self, start=None, step=None, num=None, stop=None):
         if not isinstance(num, int):
             raise TypeError("input argument must be of type int")
 
-        self.start = start
-        self.stop = stop
-        self.step = step
-        self.num = num
+        self.start = float(start)
+        self.stop = float(stop)
+        self.step = float(step)
+        self.num = int(num)
 
     def __str__(self):
         return "TimeAxis: start=%g, stop=%g, step=%g, num=%g" % \

requirements-testing.txt

@@ -4,5 +4,4 @@ pytest-cov
 codecov
 flake8>=2.1.0
 nbval
-scipy
-cloudpickle
+scipy

requirements.txt

@@ -9,3 +9,4 @@ codepy>=2019.1
 click<9.0
 multidict
 anytree>=2.4.3,<=2.9.0
+cloudpickle