Load instrumentation directly

Author: pglombardo

instana/__init__.py

@@ -4,6 +4,9 @@
 from .tracer import InstanaTracer
 from .options import Options
 
+# Import & initialize instrumentation
+from .instrumentation import urllib3
+
 """
 The Instana package has two core components: the sensor and the tracer.
 
@@ -44,8 +47,3 @@
 
 # Set ourselves as the tracer.
 opentracing.tracer = internal_tracer
-
-
-def load_instrumentation():
-    # Import & initialize instrumentation
-    from .instrumentation import urllib3