Refactor prompts into module, add example generation utils (#64)

tests/unit_tests/chains/test_llm.py

@@ -2,7 +2,7 @@
 import pytest
 
 from langchain.chains.llm import LLMChain
-from langchain.prompt import Prompt
+from langchain.prompts.prompt import Prompt
 from tests.unit_tests.llms.fake_llm import FakeLLM
 
 

tests/unit_tests/chains/test_react.py

@@ -9,7 +9,7 @@ from langchain.chains.react.base import ReActChain, predict_until_observation
 from langchain.docstore.base import Docstore
 from langchain.docstore.document import Document
 from langchain.llms.base import LLM
-from langchain.prompt import Prompt
+from langchain.prompts.prompt import Prompt
 
 _PAGE_CONTENT = """This is a page about LangChain.
 

tests/unit_tests/test_dynamic_prompt.py

@@ -1,5 +1,6 @@
 """Test functionality related to dynamic prompts."""
-from langchain.prompt import DynamicPrompt, Prompt
+from langchain.prompts.dynamic import DynamicPrompt
+from langchain.prompts.prompt import Prompt
 
 # FULL TEMPLATES
 LONGER_TEMPLATE = """Test Prompt:

tests/unit_tests/test_prompt.py

@@ -1,7 +1,7 @@
 """Test functionality related to prompts."""
 import pytest
 
-from langchain.prompt import Prompt
+from langchain.prompts.prompt import Prompt
 
 
 def test_prompt_valid() -> None: