allow api_key assignment to occur after imports

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "vocode"
-version = "0.1.45"
+version = "0.1.48"
 description = "The all-in-one voice SDK"
 authors = ["Ajay Raj <ajay@vocode.dev>"]
 license = "MIT License"
@@ -31,8 +31,6 @@ sounddevice = { version = "0.4.6", optional = true }
 starlette = "0.25.0"
 urllib3 = "1.26.14"
 uvicorn = "0.20.0"
-black = "23.1.0"
-flake8 = "6.0.0"
 mccabe = "0.7.0"
 mypy-extensions = "1.0.0"
 packaging = "23.0"
@@ -45,7 +43,6 @@ pyjwt = "2.6.0"
 python-multipart = "0.0.6"
 pytz = "2022.7.1"
 tomli = "2.0.1"
-twilio = "7.16.5"
 
 [tool.poetry.extras]
 io = ["pyaudio", "sounddevice"]