fix linting errors

Author: nprajilesh

Diff for: instrumentation/opentelemetry-instrumentation-asgi/src/opentelemetry/instrumentation/asgi/__init__.py

@@ -44,7 +44,8 @@ def get(scope: dict, header_name: str) -> typing.List[str]:
         return [
             value.decode("utf8")
             for (key, value) in headers
-            if key.decode("utf8") == header_name]
+            if key.decode("utf8") == header_name
+        ]
 
     @staticmethod
     def keys(scope: dict) -> typing.List[str]:
@@ -58,6 +59,7 @@ def keys(scope: dict) -> typing.List[str]:
 
 get_header_from_scope = Getter()
 
+
 def collect_request_attributes(scope):
     """Collects HTTP request attributes from the ASGI scope and returns a
     dictionary to be used as span creation attributes."""

Diff for: instrumentation/opentelemetry-instrumentation-celery/src/opentelemetry/instrumentation/celery/__init__.py

@@ -260,6 +260,3 @@ def get(carrier, key):
     @staticmethod
     def keys(carrier):
         return carrier.keys()
-
-
-

Diff for: instrumentation/opentelemetry-instrumentation-grpc/src/opentelemetry/instrumentation/grpc/_server.py

@@ -109,6 +109,7 @@ def _check_error_code(span, servicer_context, rpc_info):
     if servicer_context.code != grpc.StatusCode.OK:
         rpc_info.error = servicer_context.code
 
+
 class Getter:
     @staticmethod
     def get(metadata, key) -> List[str]:

Diff for: instrumentation/opentelemetry-instrumentation-tornado/src/opentelemetry/instrumentation/tornado/__init__.py

@@ -176,9 +176,7 @@ def _log_exception(tracer, func, handler, args, kwargs):
 
 class Getter:
     @staticmethod
-    def get(
-            headers: dict, header_name: str
-    ) -> typing.List[str]:
+    def get(headers: dict, header_name: str) -> typing.List[str]:
         header = headers.get(header_name)
         return [header] if header else []
 

Diff for: instrumentation/opentelemetry-instrumentation-wsgi/src/opentelemetry/instrumentation/wsgi/__init__.py

@@ -68,9 +68,7 @@ def hello():
 
 class Getter:
     @staticmethod
-    def get(
-        environ: dict, header_name: str
-    ) -> typing.List[str]:
+    def get(environ: dict, header_name: str) -> typing.List[str]:
         """Retrieve a HTTP header value from the PEP3333-conforming WSGI environ.
 
         Returns:
@@ -94,6 +92,7 @@ def keys(environ: dict) -> typing.List[str]:
 
 get_header_from_environ = Getter()
 
+
 def setifnotnone(dic, key, value):
     if value is not None:
         dic[key] = value