style fixes: unused imports

- missing @OverRide annotation

Author: cosminbasca

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/PythonLanguage.java

@@ -78,8 +78,6 @@
 import com.oracle.truffle.api.CompilerDirectives.CompilationFinal;
 import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
 import com.oracle.truffle.api.ContextThreadLocal;
-import com.oracle.truffle.api.CompilerDirectives.CompilationFinal;
-import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
 import com.oracle.truffle.api.RootCallTarget;
 import com.oracle.truffle.api.Truffle;
 import com.oracle.truffle.api.TruffleFile;

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/modules/SysConfigModuleBuiltins.java

@@ -48,13 +48,11 @@
 import com.oracle.graal.python.builtins.CoreFunctions;
 import com.oracle.graal.python.builtins.PythonBuiltins;
 import com.oracle.graal.python.builtins.objects.dict.PDict;
-import com.oracle.graal.python.builtins.objects.ints.PInt;
 import com.oracle.graal.python.builtins.objects.module.PythonModule;
 import com.oracle.graal.python.nodes.attributes.ReadAttributeFromObjectNode;
 import com.oracle.graal.python.nodes.function.PythonBuiltinBaseNode;
 import com.oracle.graal.python.nodes.function.PythonBuiltinNode;
 import com.oracle.graal.python.runtime.PythonCore;
-import com.oracle.graal.python.runtime.PythonOptions;
 import com.oracle.truffle.api.dsl.Cached;
 import com.oracle.truffle.api.dsl.GenerateNodeFactory;
 import com.oracle.truffle.api.dsl.NodeFactory;

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/array/PArray.java

@@ -37,7 +37,6 @@
 import com.oracle.graal.python.util.BufferFormat;
 import com.oracle.graal.python.util.OverflowException;
 import com.oracle.graal.python.util.PythonUtils;
-import com.oracle.truffle.api.CompilerDirectives;
 import com.oracle.truffle.api.dsl.Cached;
 import com.oracle.truffle.api.dsl.Cached.Exclusive;
 import com.oracle.truffle.api.library.ExportLibrary;

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/common/KeywordsStorage.java

@@ -77,6 +77,7 @@ public PKeyword[] getStore() {
         return keywords;
     }
 
+    @Override
     @ExportMessage
     public int length() {
         return keywords.length;

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/mmap/PMMap.java

@@ -45,13 +45,10 @@
 import com.oracle.graal.python.builtins.objects.object.PythonObjectLibrary;
 import com.oracle.graal.python.nodes.PConstructAndRaiseNode;
 import com.oracle.graal.python.nodes.util.CastToJavaIntExactNode;
+import com.oracle.graal.python.runtime.GilNode;
 import com.oracle.graal.python.runtime.PosixSupportLibrary;
 import com.oracle.graal.python.runtime.PosixSupportLibrary.PosixException;
 import com.oracle.graal.python.runtime.PythonContext;
-import com.oracle.graal.python.nodes.util.ChannelNodes.ReadFromChannelNode;
-import com.oracle.graal.python.runtime.GilNode;
-import com.oracle.graal.python.runtime.sequence.storage.ByteSequenceStorage;
-import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
 import com.oracle.truffle.api.dsl.Cached;
 import com.oracle.truffle.api.dsl.Cached.Exclusive;
 import com.oracle.truffle.api.dsl.Cached.Shared;

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/zipimporter/ZipImporterBuiltins.java

@@ -75,7 +75,6 @@
 import com.oracle.graal.python.nodes.function.builtins.PythonTernaryClinicBuiltinNode;
 import com.oracle.graal.python.nodes.function.builtins.PythonUnaryBuiltinNode;
 import com.oracle.graal.python.nodes.function.builtins.clinic.ArgumentClinicProvider;
-import com.oracle.graal.python.nodes.truffle.PythonArithmeticTypes;
 import com.oracle.graal.python.runtime.GilNode;
 import com.oracle.graal.python.runtime.exception.PythonErrorType;
 import com.oracle.graal.python.runtime.sequence.storage.SequenceStorage;

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/nodes/statement/TryExceptNode.java

@@ -40,7 +40,6 @@
 import com.oracle.graal.python.nodes.util.ExceptionStateNodes.ExceptionState;
 import com.oracle.graal.python.nodes.util.ExceptionStateNodes.SetCaughtExceptionNode;
 import com.oracle.graal.python.runtime.GilNode;
-import com.oracle.graal.python.runtime.PythonOptions;
 import com.oracle.graal.python.runtime.exception.ExceptionHandledException;
 import com.oracle.graal.python.runtime.exception.PException;
 import com.oracle.graal.python.runtime.interop.InteropArray;

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/runtime/object/PythonObjectFactory.java

@@ -219,7 +219,7 @@ public final Shape getShape(Object cls) {
         return executeGetShape(cls, true);
     }
 
-    public synchronized final <T> T trace(T allocatedObject) {
+    public final synchronized <T> T trace(T allocatedObject) {
         executeTrace(allocatedObject, AllocationReporter.SIZE_UNKNOWN);
         return allocatedObject;
     }