Issue in Custom Action File

Rasa version: rasa-core 0.13.7
rasa-core-sdk 0.12.2
rasa-nlu 0.14.6 Python version: Python 3.6.0 Operating system (windows, osx, …): Kali LInux 2019 Issue:

UnboundLocalError: local variable ‘response’ referenced before assignment I am getting this error while running my actions file, The first class is getting executed but not the other classes.

class AdmissionMcs(Action):
	response= " "
	def name(self):
		return 'admission_mcs'
	def run(self,dispatcher,tracker,domain):
		streams=tracker.get_slot('stream')
		if 'streams' == 'msc comp sci' or 'mcs':
			response=""" The admission for MCS is given on basis of 50% marks of bcs and 50% marks of entrance"""
		dispatcher.utter_message(response)
		return [SlotSet('stream',streams)]

class AdmissionBcs(Action):
	response=" "
	def name(self):
		return 'admission_bcs'
	def run(self,dispatcher,tracker,domain):
		streams=tracker.get_slot('stream')
		if 'streams' == 'bcs' or 'bsc comp sci':
			response=""" The admission for BCS is given on basis of entrance exam conducted by college"""
		dispatcher.utter_message(response)
		return [SlotSet('stream',streams)]

class AdmissionBba(Action):
	response= None
	def name(self):
		return 'admission_bba'
	def run(self,dispatcher,tracker,domain):
		streams=tracker.get_slot('stream')
		if 'streams' == 'bba':
			response=""" The admission for BBA is given through merit list on basis of 12th Marks """
		dispatcher.utter_message(response)
		return [SlotSet('stream',streams)]

class AdmissionMba(Action):
	response=" "
	def name(self):
		return 'admission_mba'
	def run(self,dispatcher,tracker,domain):
		streams=tracker.get_slot('stream')
		if 'streams' == 'mba':
			response=""" The admission for MBA is given through marks scored in CAT """
		dispatcher.utter_message(response)
		return [SlotSet('stream',streams)]

```
after i added response="  " the second class also started working, But not the further classes.
Its throwing me error in action server terminal
UnboundLocalError: local variable 'response' referenced before assignment

```

**Content of configuration file (config.yml)**:
```
{
"pipeline":"spacy_sklearn",
"path":"./models/nlu",
"data":"./data/data.json"
}
```

**Content of domain file (domain.yml)** (if used & relevant):
```yaml

```

```

[garchaaman19]

Please give me URGENT REPLY,its not working. I need it urgently.

[akelad]

well, why would you not put an else statement? If the condition doesn’t match then the response variable doesn’t get assigned and therefore there will be no variable of that name, meaning your code will error