Trac #33801: sage.misc.sage_input: Remove import from sage.all

URL: https://trac.sagemath.org/33801 Reported by: mkoeppe Ticket author(s): Matthias Koeppe Reviewer(s): Frédéric Chapoton
sagemath · May 24, 2022 · 028e704 · 028e704
2 parents 2649fa7 + 73f4ab7
commit 028e704
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/src/sage/misc/sage_input.py b/src/sage/misc/sage_input.py
@@ -481,18 +481,20 @@ def __call__(self, x, coerced=False):
             # floats could often have prettier output,
             # but I think they're rare enough in Sage that it's not
             # worth the effort.
-            from sage.all import RR, ZZ, infinity
-            if x == float(infinity):
+            from math import inf
+            if x == inf:
                 return self.name('float')(self.name('infinity'))
             if x != x:
                 return self.name('float')(self.name('NaN'))
-            if x == -float(infinity):
+            if x == -inf:
                 return -self.name('float')(self.name('infinity'))
             if self._preparse is False and float(str(x)) == x:
                 if x < 0:
                     return -SIE_literal_stringrep(self, str(-x))
                 else:
                     return SIE_literal_stringrep(self, str(x))
+            from sage.rings.real_mpfr import RR
+            from sage.rings.integer_ring import ZZ
             rrx = RR(x)
             if rrx in ZZ and abs(rrx) < (1 << 53):
                 return self.name('float')(self.int(ZZ(rrx)))