>From a clean sage braaanch, i put the line
from sage.parallel.all import parallel
in sage/rings/polynomial/multi_polynomial_ideal.py and after
rebuilding i get the following output when starting up sage:
----------------------------------------------------------------------
| Sage Version 4.7.2, Release Date: 2011-10-29 |
| Type notebook() for the GUI, and license() for information. |
----------------------------------------------------------------------
ERROR: An unexpected error occurred while tokenizing input
The following traceback may be corrupted or invalid
The error message is: ('EOF in multi-line statement', (80, 0))
---------------------------------------------------------------------------
ImportError Traceback (most recent call
last)
/home/mmarco/sage-4.7.2/local/lib/python2.6/site-packages/IPython/
ipmaker.pyc in force_import(modname, force_reload)
61 reload(sys.modules[modname])
62 else:
---> 63 __import__(modname)
64
65
/home/mmarco/sage-4.7.2/local/bin/ipy_profile_sage.py in <module>()
5 preparser(True)
6
----> 7 import sage.all_cmdline
8 sage.all_cmdline._init_cmdline(globals())
9
/home/mmarco/sage-4.7.2/local/lib/python2.6/site-packages/sage/
all_cmdline.py in <module>()
12 try:
13
---> 14 from sage.all import *
15 from sage.calculus.predefined import x
16 preparser(on=True)
/home/mmarco/sage-4.7.2/local/lib/python2.6/site-packages/sage/all.py
in <module>()
66 from time import sleep
67
---> 68 from sage.misc.all import * # takes a while
69
70 from sage.misc.sh import sh
/home/mmarco/sage-4.7.2/local/lib/python2.6/site-packages/sage/misc/
all.py in <module>()
79 from func_persist import func_persist
80
---> 81 from functional import (additive_order,
82 sqrt as numerical_sqrt,
83 arg,
/home/mmarco/sage-4.7.2/local/lib/python2.6/site-packages/sage/misc/
functional.py in <module>()
34
35
---> 36 from sage.rings.complex_double import CDF
37 from sage.rings.real_double import RDF, RealDoubleElement
38
/home/mmarco/sage-4.7.2/local/bin/complex_double.pyx in init
sage.rings.complex_double (sage/rings/complex_double.c:14807)()
90
91
---> 92
93
94
/home/mmarco/sage-4.7.2/local/lib/python2.6/site-packages/sage/rings/
complex_field.pyc in ComplexField(prec, names)
85 if not C is None:
86 return C
---> 87 C = ComplexField_class(prec)
88 cache[prec] = weakref.ref(C)
89 return C
/home/mmarco/sage-4.7.2/local/lib/python2.6/site-packages/sage/rings/
complex_field.pyc in __init__(self, prec)
185 ParentWithGens.__init__(self, self._real_field(),
('I',), False, category = Fields())
186 # self._populate_coercion_lists_()
--> 187
self._populate_coercion_lists_(coerce_list=[complex_number.RRtoCC(self._real_field(),
self)])
188
189 def __reduce__(self):
/home/mmarco/sage-4.7.2/local/lib/python2.6/site-packages/sage/rings/
complex_number.so in sage.rings.complex_number.RRtoCC.__init__ (sage/
rings/complex_number.c:14063)()
2246
2247
-> 2248
2249
2250
/home/mmarco/sage-4.7.2/local/lib/python2.6/site-packages/sage/
categories/map.so in sage.categories.map.Map.__init__ (sage/categories/
map.c:2182)()
121
122
--> 123
124
125
/home/mmarco/sage-4.7.2/local/lib/python2.6/site-packages/sage/
categories/homset.pyc in Hom(X, Y, category)
149 # For the moment, this is the category, for compatibility
with the current implementations
150 # of Homset in rings, schemes, ...
--> 151 H = category.hom_category().parent_class(X, Y, category =
category)
152
153 ##_cache[key] = weakref.ref(H)
/home/mmarco/sage-4.7.2/local/lib/python2.6/site-packages/sage/
categories/rings.pyc in __new__(cls, X, Y, category)
140 <class
'sage.rings.number_field.morphism.CyclotomicFieldHomset_with_category'>
141 """
--> 142 from sage.rings.homset import RingHomset
143 return RingHomset(X, Y, category = category)
144
/home/mmarco/sage-4.7.2/local/lib/python2.6/site-packages/sage/rings/
homset.pyc in <module>()
14
15 import morphism
---> 16 import quotient_ring
17
18 def is_RingHomset(H):
/home/mmarco/sage-4.7.2/local/lib/python2.6/site-packages/sage/rings/
quotient_ring.py in <module>()
30 import commutative_ring
31 import ideal
---> 32 import sage.rings.polynomial.multi_polynomial_ideal
33 import sage.structure.parent_gens
34 from sage.interfaces.all import singular as singular_default,
is_SingularElement
/home/mmarco/sage-4.7.2/local/lib/python2.6/site-packages/sage/rings/
polynomial/multi_polynomial_ideal.py in <module>()
254 from warnings import warn
255
--> 256 from sage.parallel.all import parallel
257
258 class LibSingularDefaultContext:
/home/mmarco/sage-4.7.2/local/lib/python2.6/site-packages/sage/
parallel/all.py in <module>()
----> 1
2
3 from decorate import parallel, fork
4
5
/home/mmarco/sage-4.7.2/local/lib/python2.6/site-packages/sage/
parallel/decorate.py in <module>()
5 import types
6
----> 7 from sage.rings.all import Integer
8
9 from reference import parallel_iter as p_iter_reference
/home/mmarco/sage-4.7.2/local/lib/python2.6/site-packages/sage/rings/
all.py in <module>()
43
44 # Quotient
---> 45 from quotient_ring import QuotientRing
46
47 # Infinities
ImportError: cannot import name QuotientRing
Error importing ipy_profile_sage - perhaps you should run %upgrade?
WARNING: Loading of ipy_profile_sage failed.
sage:
I have no clue about where is the problem.
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