UP031

course_UvA-DL/03-initialization-and-optimization/notebook.py

@@ -225,7 +225,7 @@ def plot_dists(val_dict, color="C0", xlabel=None, stat="count", use_kde=True):
             kde=use_kde and ((val_dict[key].max() - val_dict[key].min()) > 1e-8),
         )  # Only plot kde if there is variance
         hidden_dim_str = (
-            r"(%i $\to$ %i)" % (val_dict[key].shape[1], val_dict[key].shape[0]) if len(val_dict[key].shape) > 1 else ""
+            r"(%i $\to$ %i)" % (val_dict[key].shape[1], val_dict[key].shape[0]) if len(val_dict[key].shape) > 1 else ""  # noqa: UP031
         )
         key_ax.set_title(f"{key} {hidden_dim_str}")
         if xlabel is not None:

course_UvA-DL/05-transformers-and-MH-attention/MHAttention.py

@@ -633,8 +633,8 @@ def forward(self, x):
 fig, ax = plt.subplots(2, 2, figsize=(12, 4))
 ax = [a for a_list in ax for a in a_list]
 for i in range(len(ax)):
-    ax[i].plot(np.arange(1, 17), pe[i, :16], color="C%i" % i, marker="o", markersize=6, markeredgecolor="black")
-    ax[i].set_title("Encoding in hidden dimension %i" % (i + 1))
+    ax[i].plot(np.arange(1, 17), pe[i, :16], color=f"C{i}", marker="o", markersize=6, markeredgecolor="black")
+    ax[i].set_title(f"Encoding in hidden dimension {i + 1}")
     ax[i].set_xlabel("Position in sequence", fontsize=10)
     ax[i].set_ylabel("Positional encoding", fontsize=10)
     ax[i].set_xticks(np.arange(1, 17))
@@ -1088,7 +1088,7 @@ def plot_attention_maps(input_data, attn_maps, idx=0):
             ax[row][column].set_xticklabels(input_data.tolist())
             ax[row][column].set_yticks(list(range(seq_len)))
             ax[row][column].set_yticklabels(input_data.tolist())
-            ax[row][column].set_title("Layer %i, Head %i" % (row + 1, column + 1))
+            ax[row][column].set_title(f"Layer {row + 1}, Head {column + 1}")
     fig.subplots_adjust(hspace=0.5)
     plt.show()
 
@@ -1590,7 +1590,7 @@ def visualize_prediction(idx):
 visualize_prediction(mistakes[-1])
 print("Probabilities:")
 for i, p in enumerate(preds[mistakes[-1]].cpu().numpy()):
-    print("Image %i: %4.2f%%" % (i, 100.0 * p))
+    print(f"Image {i}: {100.0 * p:4.2f}%")
 
 # %% [markdown]
 # In this example, the model confuses a palm tree with a building, giving a probability of ~90% to image 2, and 8% to the actual anomaly.

course_UvA-DL/07-deep-energy-based-generative-models/notebook.py

@@ -570,7 +570,7 @@ def on_epoch_end(self, trainer, pl_module):
                 grid = torchvision.utils.make_grid(
                     imgs_to_plot, nrow=imgs_to_plot.shape[0], normalize=True, value_range=(-1, 1)
                 )
-                trainer.logger.experiment.add_image("generation_%i" % i, grid, global_step=trainer.current_epoch)
+                trainer.logger.experiment.add_image(f"generation_{i}", grid, global_step=trainer.current_epoch)
 
     def generate_imgs(self, pl_module):
         pl_module.eval()

course_UvA-DL/08-deep-autoencoders/notebook.py

@@ -388,7 +388,7 @@ def on_train_epoch_end(self, trainer, pl_module):
 def train_cifar(latent_dim):
     # Create a PyTorch Lightning trainer with the generation callback
     trainer = pl.Trainer(
-        default_root_dir=os.path.join(CHECKPOINT_PATH, "cifar10_%i" % latent_dim),
+        default_root_dir=os.path.join(CHECKPOINT_PATH, f"cifar10_{latent_dim}"),
         accelerator="auto",
         devices=1,
         max_epochs=500,
@@ -402,7 +402,7 @@ def train_cifar(latent_dim):
     trainer.logger._default_hp_metric = None  # Optional logging argument that we don't need
 
     # Check whether pretrained model exists. If yes, load it and skip training
-    pretrained_filename = os.path.join(CHECKPOINT_PATH, "cifar10_%i.ckpt" % latent_dim)
+    pretrained_filename = os.path.join(CHECKPOINT_PATH, f"cifar10_{latent_dim}.ckpt")
     if os.path.isfile(pretrained_filename):
         print("Found pretrained model, loading...")
         model = Autoencoder.load_from_checkpoint(pretrained_filename)
@@ -475,7 +475,7 @@ def visualize_reconstructions(model, input_imgs):
     grid = torchvision.utils.make_grid(imgs, nrow=4, normalize=True, value_range=(-1, 1))
     grid = grid.permute(1, 2, 0)
     plt.figure(figsize=(7, 4.5))
-    plt.title("Reconstructed from %i latents" % (model.hparams.latent_dim))
+    plt.title(f"Reconstructed from {model.hparams.latent_dim} latents")
     plt.imshow(grid)
     plt.axis("off")
     plt.show()

course_UvA-DL/09-normalizing-flows/NF.py

@@ -512,7 +512,7 @@ def visualize_dequantization(quants, prior=None):
     x_ticks = []
     for v in np.unique(out):
         indices = np.where(out == v)
-        color = to_rgb("C%i" % v)
+        color = to_rgb(f"C{v}")
         plt.fill_between(inp[indices], prob[indices], np.zeros(indices[0].shape[0]), color=color + (0.5,), label=str(v))
         plt.plot([inp[indices[0][0]]] * 2, [0, prob[indices[0][0]]], color=color)
         plt.plot([inp[indices[0][-1]]] * 2, [0, prob[indices[0][-1]]], color=color)
@@ -525,7 +525,7 @@ def visualize_dequantization(quants, prior=None):
     plt.xlim(inp.min(), inp.max())
     plt.xlabel("z")
     plt.ylabel("Probability")
-    plt.title("Dequantization distribution for %i discrete values" % quants)
+    plt.title(f"Dequantization distribution for {quants} discrete values")
     plt.legend()
     plt.show()
     plt.close()

course_UvA-DL/10-autoregressive-image-modeling/notebook.py

@@ -403,7 +403,7 @@ def show_center_recep_field(img, out):
 for l_idx in range(4):
     vert_img = vert_conv(vert_img)
     horiz_img = horiz_conv(horiz_img) + vert_img
-    print("Layer %i" % (l_idx + 2))
+    print(f"Layer {l_idx + 2}")
     show_center_recep_field(inp_img, horiz_img)
 
 # %% [markdown]

course_UvA-DL/12-meta-learning/notebook.py

@@ -703,10 +703,7 @@ def test_proto_net(model, dataset, data_feats=None, k_shot=4):
 data_feats = None
 for k in [2, 4, 8, 16, 32]:
     protonet_accuracies[k], data_feats = test_proto_net(protonet_model, test_set, data_feats=data_feats, k_shot=k)
-    print(
-        "Accuracy for k=%i: %4.2f%% (+-%4.2f%%)"
-        % (k, 100.0 * protonet_accuracies[k][0], 100 * protonet_accuracies[k][1])
-    )
+    print(f"Accuracy for k={k}: {100.0 * protonet_accuracies[k][0]:4.2f}% (+-{100 * protonet_accuracies[k][1]:4.2f}%)")
 
 # %% [markdown]
 # Before discussing the results above, let's first plot the accuracies over number of examples in the support set:
@@ -1174,8 +1171,7 @@ def test_protomaml(model, dataset, k_shot=4):
 
 for k in protomaml_accuracies:
     print(
-        "Accuracy for k=%i: %4.2f%% (+-%4.2f%%)"
-        % (k, 100.0 * protomaml_accuracies[k][0], 100.0 * protomaml_accuracies[k][1])
+        f"Accuracy for k={k}: {100.0 * protomaml_accuracies[k][0]:4.2f}% (+-{100.0 * protomaml_accuracies[k][1]:4.2f}%)"
     )
 
 # %% [markdown]
@@ -1267,8 +1263,7 @@ def test_protomaml(model, dataset, k_shot=4):
         protonet_model, svhn_fewshot_dataset, data_feats=data_feats, k_shot=k
     )
     print(
-        "Accuracy for k=%i: %4.2f%% (+-%4.2f%%)"
-        % (k, 100.0 * protonet_svhn_accuracies[k][0], 100 * protonet_svhn_accuracies[k][1])
+        f"Accuracy for k={k}: {100.0 * protonet_svhn_accuracies[k][0]:4.2f}% (+-{100 * protonet_svhn_accuracies[k][1]:4.2f}%)"
     )
 
 # %% [markdown]
@@ -1295,8 +1290,7 @@ def test_protomaml(model, dataset, k_shot=4):
 
 for k in protomaml_svhn_accuracies:
     print(
-        "Accuracy for k=%i: %4.2f%% (+-%4.2f%%)"
-        % (k, 100.0 * protomaml_svhn_accuracies[k][0], 100.0 * protomaml_svhn_accuracies[k][1])
+        f"Accuracy for k={k}: {100.0 * protomaml_svhn_accuracies[k][0]:4.2f}% (+-{100.0 * protomaml_svhn_accuracies[k][1]:4.2f}%)"
     )
 
 # %% [markdown]