For me, the compilation failed (in a docker environment we are running on
cocalc). Has anyone seen this sympy-error before?
[dochtml] [manifolds] reading sources... [ 96%] tangent_space
[dochtml] [manifolds] reading sources... [ 98%] tensorfield
[dochtml] [manifolds] reading sources... [100%] vectorfield
[dochtml] [manifolds] WARNING:
/ext/sage/sage-dev/local/lib/python2.7/site-packages/sage/manifolds/chart.py:docstring
of sage.manifolds.chart.RealChart.plot:104: (WARNING/2) Exception occurred
in plotting chart-1
[dochtml] [manifolds] from
/ext/sage/sage-dev/src/doc/en/reference/manifolds/sage/manifolds/chart.rst:
[dochtml] [manifolds] Traceback (most recent call last):
[dochtml] [manifolds] File
"/ext/sage/sage-dev/local/lib/python2.7/site-packages/matplotlib/sphinxext/plot_directive.py",
line 517, in run_code
[dochtml] [manifolds] six.exec_(code, ns)
[dochtml] [manifolds] File
"/ext/sage/sage-dev/local/lib/python2.7/site-packages/matplotlib/externals/six.py",
line 672, in exec_
[dochtml] [manifolds] exec("""exec _code_ in _globs_, _locs_""")
[dochtml] [manifolds] File "<string>", line 1, in <module>
[dochtml] [manifolds] File "<string>", line 2, in <module>
[dochtml] [manifolds] File
"/ext/sage/sage-dev/local/lib/python2.7/site-packages/sage/manifolds/manifold.py",
line 1513, in chart
[dochtml] [manifolds] return self._structure.chart(self,
coordinates=coordinates, names=names)
[dochtml] [manifolds] File "sage/misc/classcall_metaclass.pyx", line 330,
in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__
(build/cythonized/sage/misc/classcall_metaclass.c:1589)
[dochtml] [manifolds] return cls.classcall(cls, *args, **kwds)
[dochtml] [manifolds] File "sage/misc/cachefunc.pyx", line 1059, in
sage.misc.cachefunc.CachedFunction.__call__
(build/cythonized/sage/misc/cachefunc.c:6238)
[dochtml] [manifolds] w = self.f(*args, **kwds)
[dochtml] [manifolds] File
"/ext/sage/sage-dev/local/lib/python2.7/site-packages/sage/structure/unique_representation.py",
line 1021, in __classcall__
[dochtml] [manifolds] instance = typecall(cls, *args, **options)
[dochtml] [manifolds] File "sage/misc/classcall_metaclass.pyx", line 497,
in sage.misc.classcall_metaclass.typecall
(build/cythonized/sage/misc/classcall_metaclass.c:2039)
[dochtml] [manifolds] return (<PyTypeObject*>type).tp_call(cls, args,
kwds)
[dochtml] [manifolds] File
"/ext/sage/sage-dev/local/lib/python2.7/site-packages/sage/manifolds/chart.py",
line 1383, in __init__
[dochtml] [manifolds] Chart.__init__(self, domain, coordinates=coordinates,
names=names)
[dochtml] [manifolds] File
"/ext/sage/sage-dev/local/lib/python2.7/site-packages/sage/manifolds/chart.py",
line 278, in __init__
[dochtml] [manifolds] self._init_coordinates(coord_list)
[dochtml] [manifolds] File
"/ext/sage/sage-dev/local/lib/python2.7/site-packages/sage/manifolds/chart.py",
line 1451, in _init_coordinates
[dochtml] [manifolds] assume(coord_var, 'real')
[dochtml] [manifolds] File
"/ext/sage/sage-dev/local/lib/python2.7/site-packages/sage/symbolic/assumptions.py",
line 550, in assume
[dochtml] [manifolds] x.assume()
[dochtml] [manifolds] File
"/ext/sage/sage-dev/local/lib/python2.7/site-packages/sage/symbolic/assumptions.py",
line 239, in assume
[dochtml] [manifolds] maxima.eval("declare(%s, %s)" %
(self._var._maxima_init_(), self._assumption))
[dochtml] [manifolds] File "sage/structure/sage_object.pyx", line 818, in
sage.structure.sage_object.SageObject._maxima_init_
(build/cythonized/sage/structure/sage_object.c:9257)
[dochtml] [manifolds] return self._interface_init_(I)
[dochtml] [manifolds] File "sage/symbolic/expression.pyx", line 833, in
sage.symbolic.expression.Expression._interface_init_
(build/cythonized/sage/symbolic/expression.cpp:8007)
[dochtml] [manifolds] from sage.symbolic.expression_conversions import
InterfaceInit
[dochtml] [manifolds] File
"/ext/sage/sage-dev/local/lib/python2.7/site-packages/sage/symbolic/expression_conversions.py",
line 844, in <module>
[dochtml] [manifolds] sympy_converter = SympyConverter()
[dochtml] [manifolds] File
"/ext/sage/sage-dev/local/lib/python2.7/site-packages/sage/symbolic/expression_conversions.py",
line 689, in __init__
[dochtml] [manifolds] sympy_init()
[dochtml] [manifolds] File
"/ext/sage/sage-dev/local/lib/python2.7/site-packages/sage/repl/ipython_extension.py",
line 561, in wrapper
[dochtml] [manifolds] result = func(*args, **kwargs)
[dochtml] [manifolds] File
"/ext/sage/sage-dev/local/lib/python2.7/site-packages/sage/interfaces/sympy.py",
line 649, in sympy_init
*[dochtml] [manifolds] from sympy import Add
*
*[dochtml] [manifolds] ImportError: No module named sympy*
[dochtml] [manifolds] WARNING:
/ext/sage/sage-dev/local/lib/python2.7/site-packages/sage/manifolds/chart.py:docstring
of sage.manifolds.chart.RealChart.plot:141: (WARNING/2) Exception occurred
in plotting chart-2
[dochtml] [manifolds] from
/ext/sage/sage-dev/src/doc/en/reference/manifolds/sage/manifolds/chart.rst:
[dochtml] [manifolds] Traceback (most recent call last):
[dochtml] [manifolds] File
"/ext/sage/sage-dev/local/lib/python2.7/site-packages/matplotlib/sphinxext/plot_directive.py",
line 517, in run_code
[dochtml] [manifolds] six.exec_(code, ns)
[... and many many more such errors ...]
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