fix: add deinit/init and evaluation routes (#91)

templates/python/__init__package.handlebars

@@ -27,13 +27,20 @@ from {{packageName}}.exceptions import ApiException
 __import__('sys').setrecursionlimit({{recursionLimit}})
 {{/if}}
 
-from {{packageName}}.providers.evaluation import Evaluation
+from {{packageName}}.providers.evaluation import *
 from {{packageName}}.providers.pipeline import Pipeline
 from {{packageName}}.providers.pipeline_run import PipelineRun, flush
 from {{packageName}}.providers.step_run import StepRun
 from {{packageName}}.providers.utils import to_date_string
 
 from {{packageName}}.providers.getters import *
+from {{packageName}}.providers.init import init, deinit
 
+# @deprecated: use gentrace.providers.init.init() instead to set the Gentrace
+# API key
 api_key = ""
+
+# @deprecated: use gentrace.providers.init.init() instead to set the Gentrace
+# API key
 host = ""
+