style: improve code formatting and whitespace

- Remove trailing whitespaces in Step class
- Improve formatting in GitHub and GitLab commit modules
- Fix indentation in error message output
- Add proper line spacing between functions

lib/chatmark/step.py

@@ -34,4 +34,3 @@ class Step(AbstractContextManager):
         IDEService().ide_logging(
             "debug", f"Step {self.title} took {end_time - self.enter_time:.2f} seconds"
         )
-        

merico/github/commit/commit.py

@@ -362,7 +362,6 @@ def ask_for_push():
     Returns:
         bool: 用户是否选择推送
     """
-    from lib.chatmark import Button
 
     print(
         "Step 3/3: Would you like to push your commit to the remote repository?",
@@ -375,6 +374,7 @@ def ask_for_push():
 
     return button.clicked == 0  # 如果用户点击第一个按钮(Yes)，则返回True
 
+
 def push_changes():
     """
     推送更改到远程仓库
@@ -385,7 +385,12 @@ def push_changes():
     try:
         current_branch = get_current_branch()
         if not current_branch:
-            print("Could not determine current branch. Push failed.", end="\n\n", file=sys.stderr, flush=True)
+            print(
+                "Could not determine current branch. Push failed.",
+                end="\n\n",
+                file=sys.stderr,
+                flush=True,
+            )
             return False
 
         print(f"Pushing changes to origin/{current_branch}...", end="\n\n", flush=True)
@@ -408,6 +413,7 @@ def push_changes():
         print(f"An unexpected error occurred: {str(e)}", end="\n\n", file=sys.stderr, flush=True)
         return False
 
+
 def main():
     global language
     try:

merico/gitlab/commit/commit.py

@@ -362,7 +362,6 @@ def ask_for_push():
     Returns:
         bool: 用户是否选择推送
     """
-    from lib.chatmark import Button
 
     print(
         "Step 3/3: Would you like to push your commit to the remote repository?",
@@ -375,6 +374,7 @@ def ask_for_push():
 
     return button.clicked == 0  # 如果用户点击第一个按钮(Yes)，则返回True
 
+
 def push_changes():
     """
     推送更改到远程仓库
@@ -385,7 +385,12 @@ def push_changes():
     try:
         current_branch = get_current_branch()
         if not current_branch:
-            print("Could not determine current branch. Push failed.", end="\n\n", file=sys.stderr, flush=True)
+            print(
+                "Could not determine current branch. Push failed.",
+                end="\n\n",
+                file=sys.stderr,
+                flush=True,
+            )
             return False
 
         print(f"Pushing changes to origin/{current_branch}...", end="\n\n", flush=True)
@@ -408,6 +413,7 @@ def push_changes():
         print(f"An unexpected error occurred: {str(e)}", end="\n\n", file=sys.stderr, flush=True)
         return False
 
+
 def main():
     global language
     try: