updating pattern for external call detection

src/process.py

@@ -58,7 +58,7 @@ class Process(Nextflow_Building_Blocks):
     def get_external_scripts_call(self):
         code = self.get_script_code()
         tab = []
-        for match in re.finditer(r"([^\s\\\*]+\.(sh|py|R|r|pl|rg))[^\w]", code):
+        for match in re.finditer(r"([^\s\\\*\{\}\[\]]+\.(sh|py|R|r|pl|rg))[^\w]", code):
             tab.append(match.group(1))
         return list(set(tab))