SDK as namespace package makes it extendable

opentelemetry-sdk/src/opentelemetry/sdk/__init__.py → opentelemetry-sdk/src/opentelemetry/sdk/__init__.pyi

@@ -16,6 +16,6 @@
 The OpenTelemetry SDK package is an implementation of the OpenTelemetry
 API
 """
-from . import metrics, trace, util
+from opentelemetry.sdk import metrics, trace, util
 
 __all__ = ["metrics", "trace", "util"]

opentelemetry-sdk/src/opentelemetry/sdk/metrics/export/in_memory_metrics_exporter.py

@@ -13,9 +13,13 @@
 # limitations under the License.
 
 import threading
-from typing import Sequence
 
-from . import MetricRecord, MetricsExporter, MetricsExportResult
+from opentelemetry.sdk.metrics.export import (
+    MetricRecord,
+    MetricsExporter,
+    MetricsExportResult,
+)
+from typing import Sequence
 
 
 class InMemoryMetricsExporter(MetricsExporter):

opentelemetry-sdk/src/opentelemetry/sdk/trace/export/__init__.py

@@ -22,10 +22,9 @@
 
 from opentelemetry.configuration import Configuration
 from opentelemetry.context import attach, detach, set_value
+from opentelemetry.sdk.trace import Span, SpanProcessor
 from opentelemetry.util import time_ns
 
-from .. import Span, SpanProcessor
-
 logger = logging.getLogger(__name__)
 
 

opentelemetry-sdk/src/opentelemetry/sdk/trace/export/in_memory_span_exporter.py

@@ -15,8 +15,8 @@
 import threading
 import typing
 
-from .. import Span
-from . import SpanExporter, SpanExportResult
+from opentelemetry.sdk.trace import Span
+from opentelemetry.sdk.trace.export import SpanExporter, SpanExportResult
 
 
 class InMemorySpanExporter(SpanExporter):