[python] Corrrect problem with generateArrayProperty() generating inconsistent names

Author: tfgm-bud

main/java/uk/co/real_logic/sbe/generation/python/PythonGenerator.java

@@ -783,12 +783,12 @@ private CharSequence generateArrayProperty(
  ));
 
  sb.append(String.format(
- indent + " def set%1$s(self, index, value):\n" +
+ indent + " def set%2$s(self, index, value):\n" +
  indent + " if index < 0 or index >= %3$d:\n" +
- indent + " raise Exception('index out of range for %1$s')\n" +
- indent + " struct.pack_into('%2$s', self.buffer_, self.offset_ + %4$d + (index * %5$d), value)\n",
- propertyName,
- toUpperFirstChar(pythonTypeName),
+ indent + " raise Exception('index out of range for %2$s')\n" +
+ indent + " struct.pack_into('%1$s', self.buffer_, self.offset_ + %4$d + (index * %5$d), value)\n",
+ pythonTypeName,
+ toUpperFirstChar(propertyName),
  token.arrayLength(),
  offset,
  token.encoding().primitiveType().size(),