SONARPY-3917 Updated message of S2712 (#963)

GitOrigin-RevId: c5a9eda1075a3fb344321ee046f02509bc02048d

Author: joke1196

python-checks/src/main/java/org/sonar/python/checks/ReturnAndYieldInOneFunctionCheck.java

@@ -37,7 +37,7 @@ public void initialize(Context context) {
       func.body().accept(returnAndYieldVisitor);
 
       if (returnAndYieldVisitor.hasYield && returnAndYieldVisitor.hasReturn) {
-        ctx.addIssue(func.name(), "Use only \"return\" or only \"yield\", not both.");
+        ctx.addIssue(func.name(), "Only yield or return values from this function, not both.");
       }
     });
   }

python-checks/src/test/resources/checks/returnAndYieldInOneFunction.py

@@ -1,5 +1,4 @@
-
-def fun1(n): # Noncompliant {{Use only "return" or only "yield", not both.}}
+def fun1(n):  # Noncompliant {{Only yield or return values from this function, not both.}}
 #   ^^^^
     num = 0
     while num < n:
@@ -22,7 +21,8 @@ def fun3(n):
         yield num
         num += 1
 
-def fun5(n): # Noncompliant
+
+def fun5(n):  # Noncompliant
     num = 0
     if n == 0:
         return
@@ -31,18 +31,23 @@ def fun5(n): # Noncompliant
         num += 1
     return num
 
+
 def fun4(n):
     num = 0
     while num < n:
         num += 1
     return num
 
+
 def fun6():
     def fun7():
         yield 1
+
     return 1
 
+
 def fun8():
     def fun9():
         return 1
+
     yield 1