Fixup formatting

Author: xrmx

exporter/opentelemetry-exporter-otlp-proto-common/src/opentelemetry/exporter/otlp/proto/common/_internal/metrics_encoder/__init__.py

@@ -43,9 +43,7 @@
 )
 from opentelemetry.sdk.metrics.export import (
     AggregationTemporality,
-    ExponentialHistogram as ExponentialHistogramType,
     Gauge,
-    Histogram as HistogramType,
     MetricExporter,
     MetricsData,
     Sum,
@@ -174,17 +172,17 @@ def truncate_trailing_zeros(lst: Sequence[int]) -> Sequence[int]:
     if lst:
         for i, value in enumerate(reversed(lst)):
             if value != 0:
-                return lst[0:len(lst)-i]
+                return lst[0 : len(lst) - i]
     return []
 
 
 def create_exponential_histogram_buckets(offset, bucket_counts):
     buckets = None
     if truncated_bucket_counts := truncate_trailing_zeros(bucket_counts):
         buckets = pb2.ExponentialHistogramDataPoint.Buckets(
-                                offset=offset,
-                                bucket_counts=truncated_bucket_counts,
-                            )
+            offset=offset,
+            bucket_counts=truncated_bucket_counts,
+        )
     return buckets
 
 
@@ -227,17 +225,12 @@ def encode_metrics(data: MetricsData) -> ExportMetricsServiceRequest:
 
 
 def _encode_resource_metrics(resource_metrics, resource_metrics_dict):
-
     resource = resource_metrics.resource
-
     # It is safe to assume that each entry in data.resource_metrics is
     # associated with an unique resource.
     scope_metrics_dict = {}
-
     resource_metrics_dict[resource] = scope_metrics_dict
-
     for scope_metrics in resource_metrics.scope_metrics:
-
         instrumentation_scope = scope_metrics.scope
 
         # The SDK groups metrics in instrumentation scopes already so
@@ -324,9 +317,12 @@ def _encode_metric(metric, pb2_metric):
 
     elif isinstance(metric.data, ExponentialHistogramType):
         for data_point in metric.data.data_points:
-
-            positive = create_exponential_histogram_buckets(data_point.positive.offset, data_point.positive.bucket_counts)
-            negative = create_exponential_histogram_buckets(data_point.negative.offset, data_point.negative.bucket_counts)
+            positive = create_exponential_histogram_buckets(
+                data_point.positive.offset, data_point.positive.bucket_counts
+            )
+            negative = create_exponential_histogram_buckets(
+                data_point.negative.offset, data_point.negative.bucket_counts
+            )
 
             pt = pb2.ExponentialHistogramDataPoint(
                 attributes=_encode_attributes(data_point.attributes),