def example():
  i = 0
  resultlist_key = []
  result_list = list()
  a_list = list()
  b_list = list()
  a_list.append(feature_matrix_ip)# feature_matrix_ip contains features of the query image
  while i < 70:
      b_list.append(feature_matrix_db[i])# feature_matrix_db contains features of img. in DB
      dist = distance.euclidean(a_list,b_list[i])
      result_list.append(dist)
      resultlist_key = OrderedDict(sorted(enumerate(result_list),key=lambda x: x[0])).keys()
      i = i + 1
      res_lst_srt = {'values': result_list,'keys':resultlist_key}
      res_lst_srt['values'], res_lst_srt['keys'] = zip(*sorted(zip(res_lst_srt['values'], res_lst_srt['keys'])))# sorting according to the least distance and the key will not change
      key = res_lst_srt['keys']

%run "D:/6th sem/Major project/Code/frame.py"
Exception in Tkinter callback
Traceback (most recent call last):
File "C:UsersHPAppDataLocalEnthoughtCanopy32Appappdatacanopy-1.0.3.1262.win-x86liblib-tkTkinter.py", line 1410, in __call__
return self.func(*args)
File "D:6th semMajor projectCodeframe.py", line 323, in matching_image
res_lst_srt['values'], res_lst_srt['keys'] = zip(*sorted(zip(res_lst_srt['values'], res_lst_srt['keys'])))

ValueError: need more than 0 values to unpack

>>> foo, bar = []
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ValueError: need more than 0 values to unpack

>>> values=[1,2,3]
>>> keys=['a', 'b', 'c']
>>> my_dict = dict(zip(keys, values))
>>> my_dict
{'a': 1, 'c': 3, 'b': 2}

>>> a, b = tuple() # or you could write a, b = []

Traceback (most recent call last):
  File "<pyshell#319>", line 1, in <module>
    a, b = tuple()
ValueError: need more than 0 values to unpack
>>>

zip(*sorted(zip(res_lst_srt['values'], res_lst_srt['keys'])))