more comment fixes

Author: aabmass

Diff for: exporter/opentelemetry-exporter-otlp/src/opentelemetry/exporter/otlp/exporter.py

@@ -171,8 +171,8 @@ class OTLPExporterMixin(
         insecure: Connection type
         credentials: ChannelCredentials object for server authentication
         headers: Headers to send when exporting
-        compression: Compression algorithm to be used in channel
         timeout: Backend request timeout in seconds
+        compression: gRPC compression method to use
     """
 
     def __init__(

Diff for: exporter/opentelemetry-exporter-otlp/tests/test_otlp_trace_exporter.py

@@ -226,6 +226,17 @@ def test_otlp_headers_from_env(self, mock_ssl_channel, mock_secure):
 
     # pylint: disable=no-self-use
     def test_otlp_compression_from_env(self):
+        # Just OTEL_EXPORTER_OTLP_COMPRESSION should work
+        with patch(
+            "opentelemetry.exporter.otlp.exporter.insecure_channel"
+        ) as mock_insecure_channel, patch.dict(
+            "os.environ", {OTEL_EXPORTER_OTLP_COMPRESSION: "deflate"}
+        ):
+            OTLPSpanExporter(insecure=True)
+            mock_insecure_channel.assert_called_once_with(
+                "localhost:4317", compression=Compression.Deflate
+            )
+
         # Specifying kwarg should take precedence over env
         with patch(
             "opentelemetry.exporter.otlp.exporter.insecure_channel"
@@ -248,17 +259,6 @@ def test_otlp_compression_from_env(self):
                 "localhost:4317", compression=Compression.NoCompression
             )
 
-        # Just OTEL_EXPORTER_OTLP_COMPRESSION should work
-        with patch(
-            "opentelemetry.exporter.otlp.exporter.insecure_channel"
-        ) as mock_insecure_channel, patch.dict(
-            "os.environ", {OTEL_EXPORTER_OTLP_COMPRESSION: "deflate"}
-        ):
-            OTLPSpanExporter(insecure=True)
-            mock_insecure_channel.assert_called_once_with(
-                "localhost:4317", compression=Compression.Deflate
-            )
-
         # OTEL_EXPORTER_OTLP_SPAN_COMPRESSION as higher priority than
         # OTEL_EXPORTER_OTLP_COMPRESSION
         with patch(