Fixed some cppcheck warnings

PythonInterpreter/PythonInterpreter.cc

@@ -179,7 +179,7 @@ bool PythonInterpreter::runScript(QString _script) {
   }
 
   PyGILState_STATE state = PyGILState_Ensure();
-  PyThreadState* tstate = PyGILState_GetThisThreadState();
+  //PyThreadState* tstate = PyGILState_GetThisThreadState();
 
   auto locals = mainModule_.attr("__dict__");
 
@@ -222,8 +222,6 @@ QString PythonInterpreter::runScriptOutput(QString _script) {
   runScript(_script);
   externalLogging_ = true;
   return LogOut + LogErr;
-  LogOut.clear();
-  LogErr.clear();
 }
 
 

widgets/pythonWidget/PythonSyntaxHighlighter.cc

@@ -128,9 +128,8 @@ void PythonSyntaxHighlighter::highlightBlock(const QString &text)
 
 bool PythonSyntaxHighlighter::matchMultiline(const QString &text, const QRegExp &delimiter, const int inState, const QTextCharFormat &style)
 {
-    int start = -1;
+ int start = -1;
  int add = -1;
- int end = -1;
  int length = 0;
 
  // If inside triple-single quotes, start at 0
@@ -148,7 +147,7 @@ bool PythonSyntaxHighlighter::matchMultiline(const QString &text, const QRegExp
     // As long as there's a delimiter match on this line...
     while (start >= 0) {
         // Look for the ending delimiter
-        end = delimiter.indexIn(text, start + add);
+        int end = delimiter.indexIn(text, start + add);
         // Ending delimiter on this line?
         if (end >= add) {
             length = end - start + add + delimiter.matchedLength();

widgets/pythonWidget/PythonSyntaxHighlighter.hh

@@ -51,7 +51,7 @@ class PythonSyntaxHighlighter : public QSyntaxHighlighter
 {
   Q_OBJECT
 public:
-  PythonSyntaxHighlighter(QTextDocument *parent = 0);
+  explicit PythonSyntaxHighlighter(QTextDocument *parent = 0);
 protected:
   void highlightBlock(const QString &text);
 private: