keyerror

问题 I have some JSON data that I'm pulling from a websocket: while True: result = ws.recv() result = json.loads(result) Here is Print(result): {'type': 'ticker', 'sequence': 4779671311, 'product_id': 'BTC-USD', 'price': '15988.29000000', 'open_24h': '14566.71000000', 'volume_24h': '18276.75612545', 'low_24h': '15988.29000000', 'high_24h': '16102.00000000', 'volume_30d': '1018642.48337033', 'best_bid': '15988.28', 'best_ask': '15988.29', 'side': 'buy', 'time': '2018-01-05T15:38:21.568000Z', 'trade

问题 I'm currently facing an issue while trying to fit my GRU model with my training data. After a quick look on StackOverflow, I found this post to be quite similar to my issue : Simplest Lstm training with Keras io My own model is as follow : nn = Sequential() nn.add(Embedding(input_size, hidden_size)) nn.add(GRU(hidden_size_2, return_sequences=False)) nn.add(Dropout(0.2)) nn.add(Dense(output_size)) nn.add(Activation('linear')) nn.compile(loss='mse', optimizer="rmsprop") history = History() nn

问题 I have a dictionary that I create like this: myDict = {} Then I like to add key in it that corresponds to another dictionary, in which I put another value: myDict[2000]['hello'] = 50 So when I pass myDict[2000]['hello'] somewhere, it would give 50 . Why isn't Python just creating those entries right there? What's the issue? I thought KeyError only occurs when you try to read an entry that doesn't exist, but I'm creating it right here? 回答1: KeyError occurs because you are trying to read a non

问题 I equipped my Python application with logging capability and it works flawlessly on my Windows system with Python 3.4. But when I deploy the application on my Raspberry Pi with Raspbian and Python 3.2, I receive the following error: Traceback (most recent call last): File "aurora/aurora_websocket.py", line 265, in <module> logging.config.fileConfig('logging.conf') File "/usr/lib/python3.2/logging/config.py", line 70, in fileConfig formatters = _create_formatters(cp) File "/usr/lib/python3.2

问题 I'm still a beginner in Python, and I wanted to know why this : dict = {} dict[0] = '123' a = 0 if dict["{}".format(a)]["{}".format(a)] == '1': print('True') gives me a Key Error '0' but not this : dict = {} dict[0] = '123' if dict[0][0] == '1': print('True') Thanks in advance. 回答1: You're trying to compare the key 0 with "0". They are different. One is an integer and another is a string. 来源： https://stackoverflow.com/questions/24228161/key-error-0-with-dict-format

问题 I'm still a beginner in Python, and I wanted to know why this : dict = {} dict[0] = '123' a = 0 if dict["{}".format(a)]["{}".format(a)] == '1': print('True') gives me a Key Error '0' but not this : dict = {} dict[0] = '123' if dict[0][0] == '1': print('True') Thanks in advance. 回答1: You're trying to compare the key 0 with "0". They are different. One is an integer and another is a string. 来源： https://stackoverflow.com/questions/24228161/key-error-0-with-dict-format

问题 I'm learning tkinter off of the Sentdex tutorials and I into a problem when trying to change pages. My compiler throws something about a KeyError that it doesn't give whenever I change the button on the start page to change to itself rather than PageOne: Exception in Tkinter callback Traceback (most recent call last): File "C:\Users\Jason\AppData\Local\Programs\Python\Python35-32\lib\tkinter\__init__.py", line 1549, in __call__ return self.func(*args) File "C:/Users/Jason/PycharmProjects/gui

问题 I have tried to follow this guide. It is about making a physical gmail notifier. When I entered the same code it found an error: Traceback (most recent call last): File "C:/Python27/Projects/gmailnotifier.py", line 20, in <module> )["feed"]["fullcount"]) File "C:\Python27\lib\site-packages\feedparser-5.1.3-py2.7.egg\feedparser.py", line 375, in __getitem__ return dict.__getitem__(self, key) KeyError: 'fullcount' I am not sure why and thats why im asking. I am using windows 7, python 2.7.3,

问题 I had a data set that looks like: Id Economics English History Literature 0 56 1 1 2 1 1 11 1 0 0 1 2 6 0 1 1 0 3 43 2 0 1 1 4 14 0 1 1 0 I created this dataset by reading some csv from file, I could very easily accessed the columns just with df['Economics'], for example. Then I save it into the file with: df.to_csv(file_path, sep='\t') But when I reopen the dataset in other function for work i other purposes, and tried to access the columns in the same way, i.e. df=pd.read_csv(file_path, sep

问题 I am writing a python code, it should read the values of columns but I am getting the KeyError: 'column_name' error. Can anyone please tell me how to fix this issue. import numpy as np from sklearn.cluster import KMeans import pandas as pd ### For the purposes of this example, we store feature data from our ### dataframe `df`, in the `f1` and `f2` arrays. We combine this into ### a feature matrix `X` before entering it into the algorithm. df = pd.read_csv(r'C:\Users\Desktop\data.csv') print