Attempted relative import with no known parent package

Apparently, box_utils.py isn’t part of a package. You still can import functions defined in this file, but only if the python script that tries to import these functions lives in the same directory as box_utils.py, see this answer. Nota bene: In my case, I stumbled upon this error with an import statement with one period, … Read more

Pygame window freezes when it opens

A minimal, typical PyGame application needs a game loop has to handle the events, by either pygame.event.pump() or pygame.event.get(). has to update the Surface whuch represents the display respectively window, by either pygame.display.flip() or pygame.display.update(). See also Python Pygame Introduction Simple example, which draws a red circle in the center of the window: repl.it/@Rabbid76/PyGame-MinimalApplicationLoop import … Read more

What does sys.intern() do and when should it be used?

From the Python 3 documentation: sys.intern(string) Enter string in the table of “interned” strings and return the interned string – which is string itself or a copy. Interning strings is useful to gain a little performance on dictionary lookup – if the keys in a dictionary are interned, and the lookup key is interned, the … Read more

How to add attention layer to a Bi-LSTM

This can be a possible custom solution with a custom layer that computes attention on the positional/temporal dimension from tensorflow.keras.layers import Layer from tensorflow.keras import backend as K class Attention(Layer): def __init__(self, return_sequences=True): self.return_sequences = return_sequences super(Attention,self).__init__() def build(self, input_shape): self.W=self.add_weight(name=”att_weight”, shape=(input_shape[-1],1), initializer=”normal”) self.b=self.add_weight(name=”att_bias”, shape=(input_shape[1],1), initializer=”zeros”) super(Attention,self).build(input_shape) def call(self, x): e = K.tanh(K.dot(x,self.W)+self.b) a = … Read more

ElementNotVisibleException: Message: element not interactable error while trying to click a button through Selenium and Python

The element with text as Close is a dynamic element so to locate the element you have to induce WebDriverWait for the element to be clickable and you can use either of the following solutions: Using CSS_SELECTOR: WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.CSS_SELECTOR, “div.action-bar button.c-button.c-button–blue”))).click() Using XPATH: WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.XPATH, “//div[contains(@class, ‘action-bar’)]//button[@class=”c-button c-button–blue” and normalize-space()=’Close’]”))).click() Note : You have to … Read more

Invalid selector: Compound class names not permitted error using Selenium

As per the documentation of selenium.webdriver.common.by implementation: class selenium.webdriver.common.by.By Set of supported locator strategies. CLASS_NAME = ‘class name’ So, Using find_element_by_class_name() you won’t be able to pass multiple class names. Passing multiple classes you will face the error as: Message: invalid selector: Compound class names not permitted Additionally, as you want to return an array … Read more

Jupyter notebook never finishes processing using multiprocessing (Python 3)

It seems that the problem in Jupyter notebook as in different ide is the design feature. Therefore, we have to write the function (prime_factor) into a different file and import the module. Furthermore, we have to take care of the adjustments. For example, in my case, I have coded the function into a file known … Read more

selenium.common.exceptions.ElementNotInteractableException: Message: element not interactable when clicking on an element using Selenium Python

This error message… selenium.common.exceptions.ElementNotInteractableException: Message: element not interactable …implies that the desired element was not interactable when you tried to invoke click() on it. A couple of facts: When you initialize the Chrome browser always in maximized mode. You can disable-extensions. You need to disable-infobars as well. I have used the same xpath which you … Read more

Pip error even Microsoft Visual C++ 14.0 is installed

This problem was solved on a computer having Visual Studio Community 2017 v15.5.2 and the Visual Studio Installer v1.16.1247.518 installed. The steps used are as follows: Start the Visual Studio Installer Visual Studio Installer showed a Installed section that stated that Visual Studio Community 2017. In that section was a drop-down titled More. The drop- … Read more

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