小编sap*_*ppy的帖子

当我尝试导入时,psycopg2它显示在我的下面日志:

Traceback (most recent call last):
  File "D:/Desktop/learn/python/webcatch/appserver/testpgsql.py", line 2, in <module>
    import psycopg2
  File "D:/Desktop/learn/python/webcatch/appserver/webcatch/lib/site-packages/psycopg2-2.6.1-py3.5-win32.egg/psycopg2/__init__.py", line 50, in <module>
    from psycopg2._psycopg import BINARY, NUMBER, STRING, DATETIME, ROWID
ImportError: No module named 'psycopg2._psycopg'

我该如何解决？我的平台是win10(64),版本是python 3.5

我想写一个托盘图标JavaFx,但我只发现可以写awt.有什么方法可以写它使用JavaFx吗？

它看起来像Windows 10中的这些托盘图标:

请首先在我们的 GitHub 存储库中搜索类似问题。如果您没有找到类似的示例，您可以使用以下模板：

系统（请填写以下信息）： - 操作系统：Ubunti 18.04 - Python 版本：3.6.7 - AllenNLP 版本：v0.8.3 - PyTorch 版本：1.1.0

问题 当我尝试使用 SimpleSeq2SeqPredictor 预测字符串时，它总是显示

Traceback (most recent call last):
  File "predict.py", line 96, in <module>
    p = predictor.predict(i)
  File "venv/lib/python3.6/site-packages/allennlp/predictors/seq2seq.py", line 17, in predict
    return self.predict_json({"source" : source})
  File "/venv/lib/python3.6/site-packages/allennlp/predictors/predictor.py", line 56, in predict_json
    return self.predict_instance(instance)
  File "/venv/lib/python3.6/site-packages/allennlp/predictors/predictor.py", line 93, in predict_instance
    outputs = self._model.forward_on_instance(instance)
  File "/venv/lib/python3.6/site-packages/allennlp/models/model.py", line 124, in forward_on_instance
    return self.forward_on_instances([instance])[0]
  File "/venv/lib/python3.6/site-packages/allennlp/models/model.py", line 153, in forward_on_instances
    outputs = self.decode(self(**model_input))
  File "/venv/lib/python3.6/site-packages/allennlp/models/encoder_decoders/simple_seq2seq.py", …