Parser: remove empty last line

src/main.py

@@ -126,7 +126,7 @@ def parse_yaml(data):
 def to_ssh_config_string(parse):
     s = str()
 
-    for host, keys in parse.items():
+    for i, (host, keys) in enumerate(parse.items()):
         lines = list()
 
         for key, values in keys.items():
@@ -137,7 +137,9 @@ def to_ssh_config_string(parse):
                     lines.append(f"\t{key} {value}")
 
         # join the sorted lines on a new line character
-        s += f"Host {host}\n" + "\n".join(sorted(lines)) + "\n\n"
+        s += f"Host {host}\n" + "\n".join(sorted(lines))
+
+        s += "\n\n" if i < len(parse) - 1 else "\n"
 
     return s