NLTK ImportError：DLL加载失败：找不到指定的模块

我正在研究pycharm中的一个项目。我试图像这样将nltk导入到我的项目中。我尝试通过许多不同的方式来安装它，它们都导致相同的结果。错误最后显示。

我尝试通过pycharm上的灯泡安装它，尝试通过项目设置安装模块，尝试通过conda -install nltk安装nltk。我不明白为什么会收到此错误。有人可以阐明一下吗？先感谢您！

import nltk    
nltk.download()

C:\Users\Orestis\PycharmProjects\LimeExamples\venv\Scripts\python.exe  
C:/Users/Orestis/PycharmProjects/LimeExamples/hate_tweets.py
Traceback (most recent call last):
  File "C:/Users/Orestis/PycharmProjects/LimeExamples/hate_tweets.py", line 1, in <module>
    import nltk
  File "C:\Users\Orestis\PycharmProjects\LimeExamples\venv\lib\site-packages\nltk\__init__.py", line 152, in <module>
    from nltk.stem import *
  File "C:\Users\Orestis\PycharmProjects\LimeExamples\venv\lib\site-packages\nltk\stem\__init__.py", line 29, in <module>
    from nltk.stem.snowball import SnowballStemmer
  File "C:\Users\Orestis\PycharmProjects\LimeExamples\venv\lib\site-packages\nltk\stem\snowball.py", line 32, in <module>
    from nltk.corpus import stopwords
  File "C:\Users\Orestis\PycharmProjects\LimeExamples\venv\lib\site-packages\nltk\corpus\__init__.py", line 66, in <module>
    from nltk.corpus.reader import *
  File "C:\Users\Orestis\PycharmProjects\LimeExamples\venv\lib\site-packages\nltk\corpus\reader\__init__.py", line 105, in <module>
    from nltk.corpus.reader.panlex_lite import *
  File "C:\Users\Orestis\PycharmProjects\LimeExamples\venv\lib\site-packages\nltk\corpus\reader\panlex_lite.py", line 15, in <module>
    import sqlite3
  File "C:\Users\Orestis\Anaconda3\lib\sqlite3\__init__.py", line 23, in <module>
    from sqlite3.dbapi2 import *
  File "C:\Users\Orestis\Anaconda3\lib\sqlite3\dbapi2.py", line 27, in <module>
    from _sqlite3 import *
ImportError: DLL load failed: The specified module could not be found.