git grep -l 'all import ZZ' src/sage | xargs sed -E -i.bak $'s/^( *)f…

…rom sage.*all import ZZ *$/\1from sage.rings.integer_ring import ZZ/'

src/sage/interfaces/qepcad.py

@@ -2253,7 +2253,7 @@ def exactly_k(self, k, v, formula, allow_multi=False):
             sage: qf.exactly_k(0, b, a*b == 1)
             (A b)[~a b = 1]
         """
-        from sage.all import ZZ
+        from sage.rings.integer_ring import ZZ
         k = ZZ(k)
         if k < 0:
             raise ValueError("negative k in exactly_k quantifier")

src/sage/interfaces/singular.py

@@ -1608,7 +1608,7 @@ def sage_global_ring(self):
         # extract the ring of coefficients
         singular = self.parent()
         charstr = singular.eval('charstr(basering)').split(',',1)
-        from sage.all import ZZ
+        from sage.rings.integer_ring import ZZ
         is_extension = len(charstr)==2
         if charstr[0] in ['integer', 'ZZ']:
             br = ZZ

src/sage/quivers/path_semigroup.py

@@ -543,7 +543,7 @@ def cardinality(self):
             ...
             ValueError: the underlying quiver has cycles, thus, there may be an infinity of directed paths
         """
-        from sage.all import ZZ
+        from sage.rings.integer_ring import ZZ
         if self._quiver.is_directed_acyclic() and not self._quiver.has_loops():
             return ZZ(len(self))
         from sage.rings.infinity import Infinity

src/sage/rings/pari_ring.py

@@ -215,7 +215,7 @@ def random_element(self, x=None, y=None, distribution=None):
             True
 
         """
-        from sage.all import ZZ
+        from sage.rings.integer_ring import ZZ
         return self(ZZ.random_element(x, y, distribution))
 
     def zeta(self):

src/sage/rings/polynomial/term_order.py

@@ -2216,7 +2216,7 @@ def termorder_from_singular(S):
         sage: PolynomialRing(QQ, 'x,y', order='degneglex')('x^2')._singular_().sage()
         x^2
     """
-    from sage.all import ZZ
+    from sage.rings.integer_ring import ZZ
     singular = S
     T = singular('ringlist(basering)[3]')
     order = []

src/sage/rings/tests.py

@@ -182,7 +182,7 @@ def relative_number_field(n=2, maxdeg=2):
         sage: from sage.rings.tests import relative_number_field
         sage: _ = relative_number_field(3)
     """
-    from sage.all import ZZ
+    from sage.rings.integer_ring import ZZ
     K = absolute_number_field(maxdeg)
     n -= 1
     var = 'aa'