fix ruff errors and formatting

examples/data/PrideandPrejudice.txt

@@ -1,5 +1,5 @@
 The Project Gutenberg eBook of Pride and Prejudice
-    
+
 This ebook is for the use of anyone anywhere in the United States and
 most other parts of the world at no cost and with almost no restrictions
 whatsoever. You may copy it, give it away or re-use it under the terms
@@ -14557,7 +14557,7 @@ her into Derbyshire, had been the means of uniting them.
 *** END OF THE PROJECT GUTENBERG EBOOK PRIDE AND PREJUDICE ***
 
 
-    
+
 
 Updated editions will replace the previous one—the old editions will
 be renamed.
@@ -14662,7 +14662,7 @@ performed, viewed, copied or distributed:
     at www.gutenberg.org. If you
     are not located in the United States, you will have to check the laws
     of the country where you are located before using this eBook.
-  
+
 1.E.2. If an individual Project Gutenberg™ electronic work is
 derived from texts not protected by U.S. copyright law (does not
 contain a notice indicating that it is posted with permission of the
@@ -14724,7 +14724,7 @@ provided that:
         Gutenberg Literary Archive Foundation at the address specified in
         Section 4, “Information about donations to the Project Gutenberg
         Literary Archive Foundation.”
-    
+
     • You provide a full refund of any money paid by a user who notifies
         you in writing (or by e-mail) within 30 days of receipt that s/he
         does not agree to the terms of the full Project Gutenberg™
@@ -14732,15 +14732,15 @@ provided that:
         copies of the works possessed in a physical medium and discontinue
         all use of and all access to other copies of Project Gutenberg™
         works.
-    
+
     • You provide, in accordance with paragraph 1.F.3, a full refund of
         any money paid for a work or a replacement copy, if a defect in the
         electronic work is discovered and reported to you within 90 days of
         receipt of the work.
-    
+
     • You comply with all other terms of this agreement for free
         distribution of Project Gutenberg™ works.
-    
+
 
 1.E.9. If you wish to charge a fee or distribute a Project
 Gutenberg™ electronic work or group of works on different terms than
@@ -14903,5 +14903,3 @@ This website includes information about Project Gutenberg™,
 including how to make donations to the Project Gutenberg Literary
 Archive Foundation, how to help produce our new eBooks, and how to
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-
-

examples/document_search.py

@@ -27,7 +27,10 @@ def load_sample_documents():
             "title": "Intro to Python",
             "content": "Python is a high-level, interpreted language known for simplicity.",
         },
-        {"title": "ML Basics", "content": "Machine learning builds systems that learn from data."},
+        {
+            "title": "ML Basics",
+            "content": "Machine learning builds systems that learn from data.",
+        },
         {
             "title": "Data Structures",
             "content": "Data structures like arrays, lists, and graphs organize data.",

examples/google_history_reader_leann.py

@@ -21,7 +21,9 @@ DEFAULT_CHROME_PROFILE = os.path.expanduser("~/Library/Application Support/Googl
 
 
 def create_leann_index_from_multiple_chrome_profiles(
-    profile_dirs: list[Path], index_path: str = "chrome_history_index.leann", max_count: int = -1
+    profile_dirs: list[Path],
+    index_path: str = "chrome_history_index.leann",
+    max_count: int = -1,
 ):
     """
     Create LEANN index from multiple Chrome profile data sources.

examples/history_data/wechat_history.py

@@ -474,7 +474,8 @@ Messages ({len(messages)} messages, {message_group["total_length"]} chars):
                                 message_group, contact_name
                             )
                             doc = Document(
-                                text=doc_content, metadata={"contact_name": contact_name}
+                                text=doc_content,
+                                metadata={"contact_name": contact_name},
                             )
                             docs.append(doc)
                             count += 1

examples/mail_reader_leann.py

@@ -315,7 +315,11 @@ async def main():
 
     # Create or load the LEANN index from all sources
     index_path = create_leann_index_from_multiple_sources(
-        messages_dirs, INDEX_PATH, args.max_emails, args.include_html, args.embedding_model
+        messages_dirs,
+        INDEX_PATH,
+        args.max_emails,
+        args.include_html,
+        args.embedding_model,
     )
 
     if index_path:

examples/mail_reader_llamaindex.py

@@ -92,7 +92,10 @@ def main():
         help="Directory to store the index (default: mail_index_embedded)",
     )
     parser.add_argument(
-        "--max-emails", type=int, default=10000, help="Maximum number of emails to process"
+        "--max-emails",
+        type=int,
+        default=10000,
+        help="Maximum number of emails to process",
     )
     parser.add_argument(
         "--include-html",
@@ -112,7 +115,10 @@ def main():
     else:
         print("Creating new index...")
         index = create_and_save_index(
-            mail_path, save_dir, max_count=args.max_emails, include_html=args.include_html
+            mail_path,
+            save_dir,
+            max_count=args.max_emails,
+            include_html=args.include_html,
         )
     if index:
         queries = [

examples/multi_vector_aggregator.py

@@ -347,7 +347,9 @@ def demo_aggregation():
         print(f"\n{'=' * 20} {method.upper()} AGGREGATION {'=' * 20}")
 
         aggregator = MultiVectorAggregator(
-            aggregation_method=method, spatial_clustering=True, cluster_distance_threshold=100.0
+            aggregation_method=method,
+            spatial_clustering=True,
+            cluster_distance_threshold=100.0,
         )
 
         aggregated = aggregator.aggregate_results(mock_results, top_k=5)