fix bugs

dotdrop/installer.py

@@ -62,10 +62,10 @@ class Installer:
 
             # and then symlink it as any other file
             # by udating src and dst
+            return []
 
-        else:
-            # is not a template
-            self._link(src, dst)
+        # is not a template
+        return self._link(src, dst)
 
     def _link(self, src, dst):
         """set src as a link target of dst"""

dotdrop/templategen.py

@@ -92,7 +92,7 @@ class Templategen:
         return data.decode('utf-8', 'replace')
 
     def is_template(path):
-        if not os.path.exists(path):
+        if not os.path.isfile(path):
             return False
         with open(path, 'r') as f:
             data = f.read()