[Python] Cannot make patch diffs work despite asking different LLMs for hours

I am desperately trying to do a simple thing: I have modifications i should do to my code in the forms of "diffs" with the "+" and minuses "-", i give it to you below:

--- mri_db_gui.py
+++ mri_db_gui.py
@@ -1,14 +1,16 @@
def refresh_image():
- if display_mode.get() == 'kspace':
- k = np.fft.fft2(img)
- k = np.fft.fftshift(k)
- arr = np.log(np.abs(k) + 1)
- # Full-range normalization for K-space
- arr = arr - arr.min()
- arr = arr / arr.max() * 255
- else:
- arr = img
- # Quantile-based clamp & scale for Image
- low, high = arr.min(), np.quantile(arr, q_var.get())
- arr = np.clip(arr, low, high)
- arr = (arr - low) / (high - low) * 255
+ if display_mode.get() == 'kspace':
+ k = np.fft.fft2(img)
+ k = np.fft.fftshift(k)
+ arr = np.log(np.abs(k) + 1)
+ # Full-range normalization for K-space
+ arr = arr - arr.min()
+ arr = arr / arr.max() * 255
+ else:
+ arr = img
+ # Quantile-based clamp & scale for Image
+ low, high = arr.min(), np.quantile(arr, q_var.get())
+ arr = np.clip(arr, low, high)
+ arr = (arr - low) / (high - low) * 255
@@ -20,4 +22,6 @@
-# Hide image widgets initially
-image_widgets = [image_label, q_label, q_slider] + control_buttons + []
+# Hide image widgets initially (including Display-mode controls)
+image_widgets = [
+ image_label, q_label, q_slider,
+ *control_buttons,
+ mode_label, rb_image, rb_kspace
+]


This is one version among dozens i ve tried (with and without the "line numbers etc" ). Impossible to apply it. The usual suggestion is to type : patch -p0 < kspace_hide_buttons.patch

It never works and i get the "garbage" word everytime. Note that of course my mri_db_gui.py is in the same folder as the kspace_hide_buttons.patch ... It is desesperating. I think LLMs are not smart enough, or this diff is too complicated for them to understand. Need human help.

I simply want to apply those modifications automatically to my mri_db_gui.py file instead of manually changing the code...

The goal is to apply a patch that has been generated (e.g. by an LLM) in order to automatically modify a file. I never used these "patch" diffs before and dont have time to delve into the details. I thought it would be simple but it does not seem to be, hence i ask the question here. I think this is exactly the purpose of stackoverflow to answer such questions and I do not understand "downvotes".

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