Fix subject and ref bug

Author: CTY-git

patchwork/steps/SendEmail/SendEmail.py

@@ -12,7 +12,7 @@ class SendEmail(Step, input_class=SendEmailInputs, output_class=SendEmailOutputs
     def __init__(self, inputs):
         super().__init__(inputs)
         self.email_template_value = inputs.get("email_template_value", dict())
-        self.subject = inputs.get("subject", "Patchwork Execution Email")
+        self.subject = inputs.get("subject")
         self.body = inputs.get("body", "Patchwork Execution Email")
         self.sender_email = inputs["sender_email"]
         self.recipient_email = inputs["recipient_email"]
@@ -26,12 +26,17 @@ def __init__(self, inputs):
     def run(self) -> dict:
         msg = EmailMessage()
         msg.set_content(mustache_render(self.body, self.email_template_value))
-        msg["Subject"] = mustache_render(self.subject, self.email_template_value)
         msg["From"] = self.sender_email
         msg["To"] = self.recipient_email
+
         if self.reply_message_id is not None:
-            msg.add_header("Reference", self.reply_message_id)
+            msg.add_header("References", self.reply_message_id)
             msg.add_header("In-Reply-To", self.reply_message_id)
+        else:
+            if self.subject is not None:
+                msg["Subject"] = mustache_render(self.subject, self.email_template_value)
+            else:
+                msg["Subject"] = "Patchwork Execution Email"
 
         smtp_clazz = smtplib.SMTP
         if self.is_ssl:

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "patchwork-cli"
-version = "0.0.116"
+version = "0.0.117"
 description = ""
 authors = ["patched.codes"]
 license = "AGPL"