diff --git a/js/main.js b/js/main.js
index fda64bfc..bc8c785d 100644
--- a/js/main.js
+++ b/js/main.js
@@ -37,7 +37,7 @@ document.querySelector(".header_bar").addEventListener("click", function(event)
 //------------------------------------------------
 // Keyboard shortcuts
 //------------------------------------------------
-let previousTabId = 'chat-tab-button';
+let previousTabId = "chat-tab-button";
 document.addEventListener("keydown", function(event) {
 
   // Stop generation on Esc pressed
@@ -101,14 +101,14 @@ document.addEventListener("keydown", function(event) {
   // Switch between tabs on Tab
   else if (!event.ctrlKey && !event.shiftKey && event.key === "Tab") {
     event.preventDefault();
-    var parametersButton = document.getElementById('parameters-button');
+    var parametersButton = document.getElementById("parameters-button");
     var parentContainer = parametersButton.parentNode;
-    var selectedChild = parentContainer.querySelector('.selected');
-    if (selectedChild.id == 'parameters-button') {
-        document.getElementById(previousTabId).click();
+    var selectedChild = parentContainer.querySelector(".selected");
+    if (selectedChild.id == "parameters-button") {
+      document.getElementById(previousTabId).click();
     } else {
-        previousTabId = selectedChild.id;
-        parametersButton.click();
+      previousTabId = selectedChild.id;
+      parametersButton.click();
     }
   }
 });
@@ -262,7 +262,7 @@ button.addEventListener("click", function () {
     hideMenu();
   }
   else {
-  showMenu();
+    showMenu();
   }
 });
 
@@ -401,7 +401,7 @@ window.addEventListener("resize", updateDocumentWidth);
 //------------------------------------------------
 // Focus on the rename text area when it becomes visible
 //------------------------------------------------
-const renameTextArea = document.getElementById('rename-row').querySelector('textarea');
+const renameTextArea = document.getElementById("rename-row").querySelector("textarea");
 
 function respondToVisibility(element, callback) {
   var options = {
diff --git a/modules/RoPE.py b/modules/RoPE.py
index c15616c6..31163a33 100644
--- a/modules/RoPE.py
+++ b/modules/RoPE.py
@@ -3,7 +3,7 @@ def get_alpha_value(alpha, base):
     Gets alpha_value from alpha_value and rope_freq_base
     '''
     if base > 0:
-        return (base/10000.) ** (63/64.)
+        return (base / 10000.) ** (63 / 64.)
     else:
         return alpha
 
@@ -15,4 +15,4 @@ def get_rope_freq_base(alpha, base):
     if base > 0:
         return base
     else:
-        return 10000 * alpha ** (64/63.)
+        return 10000 * alpha ** (64 / 63.)
diff --git a/modules/chat.py b/modules/chat.py
index c12a7fd4..5380f1ac 100644
--- a/modules/chat.py
+++ b/modules/chat.py
@@ -529,6 +529,7 @@ def load_history_after_deletion(state, idx):
 
     histories = find_all_histories(state)
     idx = min(int(idx), len(histories) - 1)
+    idx = max(0, idx)
 
     if len(histories) > 0:
         history = load_history(histories[idx], state['character_menu'], state['mode'])
@@ -542,6 +543,7 @@ def load_history_after_deletion(state, idx):
 def update_character_menu_after_deletion(idx):
     characters = utils.get_available_characters()
     idx = min(int(idx), len(characters) - 1)
+    idx = max(0, idx)
     return gr.update(choices=characters, value=characters[idx])
 
 
diff --git a/modules/models.py b/modules/models.py
index efdae7cb..e94dd12f 100644
--- a/modules/models.py
+++ b/modules/models.py
@@ -309,14 +309,14 @@ def AutoAWQ_loader(model_name):
     model_dir = Path(f'{shared.args.model_dir}/{model_name}')
 
     model = AutoAWQForCausalLM.from_quantized(
-                quant_path=model_dir,
-                max_new_tokens=shared.args.max_seq_len,
-                trust_remote_code=shared.args.trust_remote_code,
-                fuse_layers=not shared.args.no_inject_fused_attention,
-                max_memory=get_max_memory_dict(),
-                batch_size=1,
-                safetensors=any(model_dir.glob('*.safetensors')),
-            )
+        quant_path=model_dir,
+        max_new_tokens=shared.args.max_seq_len,
+        trust_remote_code=shared.args.trust_remote_code,
+        fuse_layers=not shared.args.no_inject_fused_attention,
+        max_memory=get_max_memory_dict(),
+        batch_size=1,
+        safetensors=any(model_dir.glob('*.safetensors')),
+    )
 
     return model
 
diff --git a/modules/ui_chat.py b/modules/ui_chat.py
index 4ef96832..a1b1af97 100644
--- a/modules/ui_chat.py
+++ b/modules/ui_chat.py
@@ -60,7 +60,7 @@ def create_ui():
                 shared.gradio['send-chat-to-default'] = gr.Button('Send to default')
                 shared.gradio['send-chat-to-notebook'] = gr.Button('Send to notebook')
 
-        with gr.Row(elem_id='past-chats-row', elem_classes=['pretty_scrollbar']): 
+        with gr.Row(elem_id='past-chats-row', elem_classes=['pretty_scrollbar']):
             with gr.Column():
                 with gr.Row():
                     shared.gradio['unique_id'] = gr.Dropdown(label='Past chats', elem_classes=['slim-dropdown'], interactive=not mu)
@@ -246,7 +246,6 @@ def create_event_handlers():
 
     shared.gradio['delete_chat'].click(lambda: [gr.update(visible=True), gr.update(visible=False), gr.update(visible=True)], None, gradio(clear_arr))
     shared.gradio['delete_chat-cancel'].click(lambda: [gr.update(visible=False), gr.update(visible=True), gr.update(visible=False)], None, gradio(clear_arr))
-
     shared.gradio['delete_chat-confirm'].click(
         ui.gather_interface_values, gradio(shared.input_elements), gradio('interface_state')).then(
         lambda x, y: str(chat.find_all_histories(x).index(y)), gradio('interface_state', 'unique_id'), gradio('temporary_text')).then(