SONARPY-5055 Fix open SonarQube issues

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
GitOrigin-RevId: baefe4b3480c24cef77f4a7a2beb2cea6ee0b274

Author: 2 people

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

@@ -372,30 +372,32 @@ private boolean tryParsingNestedField() {
     }
 
     private boolean tryParseFlagCharacter(char current) {
-      if (current == ':') {
-        state = FieldParseState.FORMAT;
-      } else if (current == '}') {
-        addCurrentField();
-        state = FieldParseState.FINISHED;
-      } else {
-        parent.reportIssue(SYNTAX_ERROR_MESSAGE);
-        return false;
+      switch (current) {
+        case ':' -> state = FieldParseState.FORMAT;
+        case '}' -> {
+          addCurrentField();
+          state = FieldParseState.FINISHED;
+        }
+        default -> {
+          parent.reportIssue(SYNTAX_ERROR_MESSAGE);
+          return false;
+        }
       }
-
       return true;
     }
 
     private boolean tryParseField(char current) {
-      if (current == '!') {
-        state = FieldParseState.FLAG;
-      } else if (current == ':') {
-        state = FieldParseState.FORMAT;
-      } else if (current == '}') {
-        addCurrentField();
-        state = FieldParseState.FINISHED;
-      } else {
-        parent.reportIssue(SYNTAX_ERROR_MESSAGE);
-        return false;
+      switch (current) {
+        case '!' -> state = FieldParseState.FLAG;
+        case ':' -> state = FieldParseState.FORMAT;
+        case '}' -> {
+          addCurrentField();
+          state = FieldParseState.FINISHED;
+        }
+        default -> {
+          parent.reportIssue(SYNTAX_ERROR_MESSAGE);
+          return false;
+        }
       }
       return true;
     }

python-frontend/src/test/java/org/sonar/python/semantic/SymbolImplTest.java

@@ -26,7 +26,6 @@
 import org.sonar.plugins.python.api.tree.QualifiedExpression;
 import org.sonar.plugins.python.api.tree.Tree;
 import org.sonar.python.PythonTestUtils;
-import org.sonar.python.types.InferredTypes;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.sonar.python.PythonTestUtils.lastExpressionInFunction;

python-frontend/src/test/java/org/sonar/python/types/TypeShedTest.java

@@ -23,7 +23,6 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
-import java.util.stream.Collectors;
 import org.assertj.core.groups.Tuple;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;