some fixes

Author: fchapoton

src/sage/combinat/posets/posets.py

@@ -1603,7 +1603,7 @@ def linear_extensions(self, facade=False):
                 sage: L([1, 2, 3, 4, 6, 12])
                 Traceback (most recent call last):
                 ...
-                TypeError: cannot convert list to sage.structure.element.Element
+                TypeError: Cannot convert list to sage.structure.element.Element
 
         EXAMPLES::
 

src/sage/cpython/wrapperdescr.pxd

@@ -59,6 +59,6 @@ cdef inline wrapperbase* get_slotdef(wrapper_descriptor slotwrapper) except NULL
         sage: py_get_slotdef(X.__eq__)
         Traceback (most recent call last):
         ...
-        TypeError: cannot convert ... to wrapper_descriptor
+        TypeError: Cannot convert ... to wrapper_descriptor
     """
     return slotwrapper.d_base

src/sage/data_structures/bounded_integer_sequences.pyx

@@ -1208,7 +1208,7 @@ cdef class BoundedIntegerSequence:
             sage: T+list(S)
             Traceback (most recent call last):
             ...
-            TypeError: cannot convert list to sage.data_structures.bounded_integer_sequences.BoundedIntegerSequence
+            TypeError: Cannot convert list to sage.data_structures.bounded_integer_sequences.BoundedIntegerSequence
             sage: T+None
             Traceback (most recent call last):
             ...

src/sage/graphs/generic_graph.py

@@ -2414,7 +2414,7 @@ def weighted_adjacency_matrix(self, sparse=True, vertices=None,
             sage: G.weighted_adjacency_matrix()
             Traceback (most recent call last):
             ...
-            TypeError: cannot convert NoneType to sage.structure.parent.Parent
+            TypeError: Cannot convert NoneType to sage.structure.parent.Parent
         """
         if self.has_multiple_edges():
             raise NotImplementedError("don't know how to represent weights for a multigraph")

src/sage/matrix/matrix_integer_dense.pyx

@@ -948,7 +948,7 @@ cdef class Matrix_integer_dense(Matrix_dense):
             sage: None^M
             Traceback (most recent call last):
             ...
-            TypeError: cannot convert NoneType to sage.matrix.matrix_integer_dense.Matrix_integer_dense
+            TypeError: Cannot convert NoneType to sage.matrix.matrix_integer_dense.Matrix_integer_dense
             sage: M^M
             Traceback (most recent call last):
             ...

src/sage/modules/free_module_element.pyx

@@ -2570,7 +2570,7 @@ cdef class FreeModuleElement(Vector):   # abstract base class
             sage: v.dot_product('junk')
             Traceback (most recent call last):
             ...
-            TypeError: cannot convert str to sage.modules.free_module_element.FreeModuleElement
+            TypeError: Cannot convert str to sage.modules.free_module_element.FreeModuleElement
 
         The degrees of the arguments must match. ::
 

src/sage/numerical/linear_functions.pyx

@@ -1212,7 +1212,7 @@ cdef class LinearConstraintsParent_class(Parent):
             sage: LinearConstraintsParent_class.__new__(LinearConstraintsParent_class, None)
             Traceback (most recent call last):
             ...
-            TypeError: cannot convert NoneType to sage.numerical.linear_functions.LinearFunctionsParent_class
+            TypeError: Cannot convert NoneType to sage.numerical.linear_functions.LinearFunctionsParent_class
         """
         self._LF = <LinearFunctionsParent_class?>linear_functions_parent
         # Do not use coercion framework for __richcmp__
@@ -1236,7 +1236,7 @@ cdef class LinearConstraintsParent_class(Parent):
             sage: LinearConstraintsParent(None)
             Traceback (most recent call last):
             ...
-            TypeError: cannot convert NoneType to sage.numerical.linear_functions.LinearFunctionsParent_class
+            TypeError: Cannot convert NoneType to sage.numerical.linear_functions.LinearFunctionsParent_class
         """
         Parent.__init__(self)
 

src/sage/rings/complex_arb.pyx

@@ -947,7 +947,7 @@ class ComplexBallField(UniqueRepresentation, sage.rings.abc.ComplexBallField):
             sage: CBF._sum_of_products([["a"]])
             Traceback (most recent call last):
             ...
-            TypeError: cannot convert str to sage.rings.complex_arb.ComplexBall
+            TypeError: Cannot convert str to sage.rings.complex_arb.ComplexBall
         """
         cdef ComplexBall res = ComplexBall.__new__(ComplexBall)
         cdef ComplexBall factor

src/sage/rings/polynomial/polynomial_element.pyx

@@ -8027,11 +8027,11 @@ cdef class Polynomial(CommutativeAlgebraElement):
             sage: f.roots(RR)
             Traceback (most recent call last):
             ...
-            TypeError: Cannot evaluate symbolic expression to a numeric value.
+            TypeError: cannot evaluate symbolic expression to a numeric value
             sage: f.roots(CC)
             Traceback (most recent call last):
             ...
-            TypeError: Cannot evaluate symbolic expression to a numeric value.
+            TypeError: cannot evaluate symbolic expression to a numeric value
 
         We can find roots of polynomials defined over `\ZZ` or `\QQ`
         over the `p`-adics, see :trac:`15422`::

src/sage/rings/polynomial/polynomial_real_mpfr_dense.pyx

@@ -85,12 +85,12 @@ cdef class PolynomialRealDense(Polynomial):
             sage: PolynomialRealDense(RR['x'], [1,a])
             Traceback (most recent call last):
             ...
-            TypeError: Cannot evaluate symbolic expression to a numeric value.
+            TypeError: cannot evaluate symbolic expression to a numeric value
             sage: R.<x> = SR[]
             sage: (x-a).change_ring(RR)
             Traceback (most recent call last):
             ...
-            TypeError: Cannot evaluate symbolic expression to a numeric value.
+            TypeError: cannot evaluate symbolic expression to a numeric value
             sage: sig_on_count()
             0