Fix imports

src/sage/combinat/parallelogram_polyomino.py

@@ -40,7 +40,7 @@
 from sage.combinat.combinat import catalan_number
 from sage.combinat.combinatorial_map import combinatorial_map
 from sage.misc.lazy_import import lazy_import
-lazy_import("sage.functions.trig", "cos", "sin")
+lazy_import("sage.functions.trig", ["cos", "sin"])
 from sage.misc.functional import sqrt
 
 from sage.misc.lazy_import import lazy_import

src/sage/combinat/sine_gordon.py

@@ -47,20 +47,20 @@
 from sage.rings.real_mpfr import RR
 from sage.rings.semirings.non_negative_integer_semiring import NN
 from sage.misc.lazy_import import lazy_import
-lazy_import("sage.functions.trig", "cos", "sin")
+lazy_import("sage.functions.trig", ["cos", "sin"])
 lazy_import("sage.plot.plot", "parametric_plot")
 lazy_import("sage.plot.graphics", "Graphics")
 lazy_import("sage.plot.polygon", "polygon2d")
 lazy_import("sage.plot.circle", "circle")
 lazy_import("sage.plot.bezier_path", "bezier_path")
 lazy_import("sage.plot.point", "point")
 lazy_import("sage.plot.line", "line")
-lazy_import("sage.symbolic.constants", "pi", "I")
+lazy_import("sage.symbolic.constants", ["pi", "I"])
 lazy_import("sage.functions.log", "exp")
 lazy_import("sage.functions.other", "ceil")
 from sage.misc.flatten import flatten
 lazy_import("sage.symbolic.ring", "SR")
-lazy_import("sage.functions.other", "real_part", "imag_part")
+lazy_import("sage.functions.other", ["real_part", "imag_part"])
 from sage.misc.cachefunc import cached_method
 
 

src/sage/interfaces/tides.py

@@ -46,8 +46,8 @@
 from sage.misc.flatten import flatten
 from sage.ext.fast_callable import fast_callable
 from sage.rings.semirings.non_negative_integer_semiring import NN
-lazy_import("sage.functions.log", "log", "exp")
-lazy_import("sage.functions.other", "floor", "ceil")
+lazy_import("sage.functions.log", ["log", "exp"])
+lazy_import("sage.functions.other", ["floor", "ceil"])
 from sage.misc.functional import sqrt
 
 

src/sage/modular/hypergeometric_motive.py

@@ -67,7 +67,7 @@
 from sage.misc.lazy_import import lazy_import
 lazy_import("sage.functions.generalized", "sgn")
 lazy_import("sage.functions.log", "log")
-lazy_import("sage.functions.other", "floor", "ceil")
+lazy_import("sage.functions.other", ["floor", "ceil"])
 from sage.misc.cachefunc import cached_method
 from sage.misc.functional import cyclotomic_polynomial
 from sage.misc.misc_c import prod

src/sage/plot/plot3d/plot3d.py

@@ -221,7 +221,7 @@ def f(x,y): return math.exp(x/5)*math.cos(y)
 from .texture import Texture
 
 from sage.misc.lazy_import import lazy_import
-lazy_import("sage.functions.trig", "cos", "sin")
+lazy_import("sage.functions.trig", ["cos", "sin"])
 from sage.misc.sageinspect import sage_getargspec, is_function_or_cython_function
 
 

src/sage/quadratic_forms/special_values.py

@@ -16,7 +16,7 @@
 from sage.rings.rational_field import QQ
 import sage.rings.abc
 from sage.misc.lazy_import import lazy_import
-lazy_import("sage.symbolic.constants", "pi", "I")
+lazy_import("sage.symbolic.constants", ["pi", "I"])
 
 # ---------------- The Gamma Function  ------------------
 

src/sage/rings/polynomial/binary_form_reduce.py

@@ -28,7 +28,7 @@
 
 from sage.misc.lazy_import import lazy_import
 lazy_import("sage.calculus.functions", "jacobian")
-lazy_import("sage.functions.hyperbolic", "cosh", "sinh")
+lazy_import("sage.functions.hyperbolic", ["cosh", "sinh"])
 lazy_import("sage.functions.log", "exp")
 from sage.matrix.constructor import matrix
 from sage.misc.misc_c import prod

src/sage/sandpiles/sandpile.py

@@ -348,7 +348,7 @@
 from sage.rings.integer_ring import ZZ
 from sage.rings.polynomial.polynomial_ring_constructor import PolynomialRing
 from sage.rings.rational_field import QQ
-lazy_import("sage.symbolic.constants", "I", "pi")
+lazy_import("sage.symbolic.constants", ["I", "pi"])
 lazy_import("sage.symbolic.ring", "SR")
 from sage.features.four_ti_2 import FourTi2Executable
 lazy_import("sage.plot.colors", "rainbow")

src/sage/schemes/affine/affine_space.py

@@ -11,7 +11,7 @@
 # ****************************************************************************
 
 from sage.misc.lazy_import import lazy_import
-lazy_import("sage.functions.orthogonal_polys", "chebyshev_T", "chebyshev_U")
+lazy_import("sage.functions.orthogonal_polys", ["chebyshev_T", "chebyshev_U"])
 from sage.rings.integer import Integer
 from sage.rings.integer_ring import ZZ
 from sage.rings.polynomial.polynomial_ring_constructor import PolynomialRing