Remove unnecessary empty string

Author: tqa236

src/sage/combinat/cluster_algebra_quiver/cluster_seed.py

@@ -4460,7 +4460,7 @@ def find_upper_bound(self, verbose=False):
                         new_gen_found = True
                         if verbose:
                             print('Found a new element in', spend, 'seconds!')
-                            print('')
+                            print()
                     i += 1
 
     def get_upper_cluster_algebra_element(self, a):

src/sage/logic/logic.py

@@ -276,7 +276,7 @@ def print_table(self, table):
                 line += s
                 i += 1
             print(line)
-        print("")
+        print()
 
     def combine(self, statement1, statement2):
         r"""

src/sage/rings/number_field/totallyreal_rel.py

@@ -430,7 +430,7 @@ def incr(self, f_out, verbose=False, haltk=0):
                     print(k, ":", end="")
                     for i in range(self.m + 1):
                         print(self.a[i], end="")
-                    print("")
+                    print()
 
                 if k == m - 2:
                     # We only know the value of a[n-1], the trace.

src/sage/rings/polynomial/multi_polynomial_ideal.py

@@ -436,7 +436,7 @@ def _groebner_basis_magma(self, deg_bound=None, prot=False, magma=magma_default)
                 mgb = mself.GroebnerBasis()
 
         if prot == "sage":
-            print("")
+            print()
             print("Highest degree reached during computation: %2d." % log_parser.max_deg)
 
         # TODO: rewrite this to be much more sophisticated in multi-level nested cases.
@@ -1560,7 +1560,7 @@ def _groebner_basis_singular_raw(self, algorithm='groebner', singular=None, *arg
                 raise TypeError("algorithm '%s' unknown" % algorithm)
         self.__gb_singular = S
         if prot == "sage":
-            print("")
+            print()
             print("Highest degree reached during computation: %2d." % log_parser.max_deg)
         return S
 

src/sage/sandpiles/sandpile.py

@@ -5917,11 +5917,11 @@ def sandlib(selector=None):
                              3: [1, 2]}},
     }
     if selector is None:
-        print('')
+        print()
         print('  Sandpiles in the sandlib:')
         for i in sorted(sandpiles):
             print('    ', i, ':', sandpiles[i]['description'])
-        print("")
+        print()
     elif selector not in sandpiles:
         print(selector, 'is not in the sandlib.')
     else: