make doctest work

Author: local-ring

src/sage/schemes/toric/all.py

@@ -5,5 +5,6 @@
 lazy_import('sage.schemes.toric.variety', ['AffineToricVariety', 'ToricVariety'])
 lazy_import('sage.schemes.toric.library', 'toric_varieties')
 lazy_import('sage.schemes.toric.fano_variety', ['FanoToricVariety', 'CPRFanoToricVariety'])
+lazy_import('sage.schemes.toric.batyrev_library', 'smooth_fano_toric_varieties')
 lazy_import('sage.schemes.toric.ideal', 'ToricIdeal')
 del lazy_import

src/sage/schemes/toric/batyrev_library.py

@@ -19,8 +19,8 @@
                                         normalize_names)
 from sage.schemes.toric.batyrev import SmoothFanoToricVariety
 
-from poly_db_3d import polytopes_3d
-from poly_db_4d import polytopes_4d
+from .poly_db_3d import polytopes_3d
+from .poly_db_4d import polytopes_4d
 
 class BatyrevToricFactory(SageObject):
     r"""
@@ -91,7 +91,6 @@ def Fano3fold000(self, coordinate_names=None, base_ring=QQ):
 
         EXAMPLES::
 
-            sage: smooth_fano_toric_varieties = BatyrevToricFactory()
             sage: Fano3fold000 = smooth_fano_toric_varieties.Fano3fold000()
             sage: Fano3fold000.is_smooth()
             True
@@ -116,7 +115,6 @@ def Fano4fold000(self, coordinate_names=None, base_ring=QQ):
 
         EXAMPLES::
 
-            sage: smooth_fano_toric_varieties = BatyrevToricFactory()
             sage: Fano4fold000 = smooth_fano_toric_varieties.Fano4fold000()
             sage: Fano4fold000.is_smooth()
             True