commit e1fcc7e4a88e9ba90465e8e2faa277dba80fecbf
Author: vaydheesh <lokendras1998@gmail.com>
Date:   Sun Aug 25 18:41:31 2019 +0530

    typemap: switch list -> tuple
    
    list being mutable can't be used as dictionary keys

diff --git a/python/lex_tools.i b/python/lex_tools.i
index 88897be..d390824 100644
--- a/python/lex_tools.i
+++ b/python/lex_tools.i
@@ -3,31 +3,31 @@
 %include <lrx_processor.h>
 %include <lttoolbox/lt_locale.h>
 
-%typemap(in) char ** {
-  if (PyList_Check($input)) {
-    int size = PyList_Size($input);
+%typemap(in) (int argc, char **argv) {
+  if (PyTuple_Check($input)) {
     int i = 0;
-    $1 = (char **) malloc((size+1)*sizeof(char *));
-    for (i = 0; i < size; i++) {
-      PyObject *py_obj = PyList_GetItem($input, i);
+    $1 = PyTuple_Size($input);
+    $2 = (char **) malloc(($1 + 1)*sizeof(char *));
+    for (i = 0; i < $1; i++) {
+      PyObject *py_obj = PyTuple_GetItem($input, i);
       if (PyUnicode_Check(py_obj)) {
-        $1[i] = strdup(PyUnicode_AsUTF8(py_obj));
+        $2[i] = strdup(PyUnicode_AsUTF8(py_obj));
       }
       else {
-        PyErr_SetString(PyExc_TypeError, "list must contain strings");
-        free($1);
+        PyErr_SetString(PyExc_TypeError, "tuple must contain strings");
+        free($2);
         return NULL;
       }
     }
-    $1[i] = 0;
+    $2[i] = 0;
   } else {
-    PyErr_SetString(PyExc_TypeError, "not a list");
+    PyErr_SetString(PyExc_TypeError, "not a tuple");
     return NULL;
   }
 }
 
-%typemap(freearg) char ** {
-  free((char *) $1);
+%typemap(freearg) (int argc, char **argv) {
+  free((char *) $2);
 }
 
 %inline%{
@@ -49,7 +49,7 @@ public:
     fclose(dictionary);
   }
 
-  void lrx_proc(char argc, char **argv, char *input_path, char *output_path)
+  void lrx_proc(int argc, char **argv, char *input_path, char *output_path)
   {
     bool useMaxEnt = false;
     FILE* input = fopen(input_path, "r");
@@ -84,7 +84,6 @@ public:
           break;
       }
     }
-    init();
     if(useMaxEnt)
     {
       processME(input, output);