notifications: fix bug when templates are given as parameter

due to a variable name clash, the loop over all templates, has set the
fallback_template to a string, causing a type error

debian/changelog

@@ -1,3 +1,11 @@
+intelmq-mailgen (1.3.4-1) stable; urgency=medium
+
+  * notifications: fix bug when templates are given as parameter
+    due to a variable name clash, the loop over all templates, has set the
+    fallback_template to a string, causing a type error
+
+ -- Sebastian Wagner <[email protected]>  Fri, 30 Jun 2023 17:11:41 +0200
+
 intelmq-mailgen (1.3.3-1) stable; urgency=medium
 
   * Allow passing templates as parameters

intelmqmail/cb.py

@@ -332,9 +332,9 @@ def mailgen(config: dict, scripts: list, process_all: bool = False, template: Op
     if templates:
         for template_name in templates:
             # convert string template to Template object
-            template = templates[template_name].strip()
-            subject = template[:template.find('\n')]  # first line
-            body = template[template.find('\n') + 1:] + '\n'  # rest plus trailing newline
+            template_strip = templates[template_name].strip()
+            subject = template_strip[:template_strip.find('\n')]  # first line
+            body = template_strip[template_strip.find('\n') + 1:] + '\n'  # rest plus trailing newline
             templates[template_name] = Template.from_strings(subject, body)
 
     try:

setup.py

@@ -14,7 +14,7 @@
     # Versions should comply with PEP440.  For a discussion on single-sourcing
     # the version across setup.py and the project code, see
     # https://packaging.python.org/en/latest/single_source_version.html
-    version='1.3.3',
+    version='1.3.4',
 
     description='A mail sending module for IntelMQ',