Fix pylint issues

Signed-off-by: David Galiffi <David.Galiffi@amd.com>

src/omniperf

@@ -1,5 +1,7 @@
 #!/usr/bin/env python3
 
+"""Main entry point for omniperf"""
+
 ##############################################################################bl
 # MIT License
 #
@@ -40,7 +42,8 @@ except ImportError as e:
 
 
 def verify_deps_version(localVer, desiredVer, operator):
-    """Check package version strings with simple operators used in companion requirements.txt file"""
+    """Check package version strings with simple operators used in companion
+    requirements.txt file"""
     if operator == "==":
         return localVer == desiredVer
     elif operator == ">=":
@@ -56,8 +59,10 @@ def verify_deps_version(localVer, desiredVer, operator):
 
 
 def verify_deps():
-    """Utility to read library dependencies from requirements.txt and endeavor to load them within current execution environment. 
-    Used in top-level omniperf to provide error messages if necessary dependencies are not available."""
+    """Utility to read library dependencies from requirements.txt and endeavor
+    to load them within current execution environment.
+    Used in top-level omniperf to provide error messages if necessary
+    dependencies are not available."""
 
     # Check which version of python is being used
     if sys.version_info[0] < 3 or sys.version_info[1] < 8:
@@ -71,7 +76,7 @@ def verify_deps():
     for location in depsLocation:
         checkFile = os.path.join(bindir, location)
         if os.path.exists(checkFile):
-            with open(checkFile, "r") as file_in:
+            with open(checkFile, "r", encoding="utf-8") as file_in:
                 dependencies = file_in.read().splitlines()
 
             error = False
@@ -91,8 +96,8 @@ def verify_deps():
                 except metadata.PackageNotFoundError:
                     error = True
                     print(
-                        "[ERROR] The '%s' package was not found in the current execution environment."
-                        % dependency
+                        f"[ERROR] The '{dependency}' package was not found "
+                        "in the current execution environment."
                     )
 
                 # check version requirement
@@ -102,24 +107,27 @@ def verify_deps():
                             localVersion, desiredVersion, operator
                         ):
                             print(
-                                "[ERROR] the '%s' distribution does not meet version requirements to use omniperf."
-                                % dependency
+                                f"[ERROR] the '{dependency}' distribution does "
+                                "not meet version requirements to use omniperf."
                             )
                             print("  --> version installed :", localVersion)
                             error = True
 
             if error:
                 print("")
                 print(
-                    "Please verify all of the python dependencies called out in the requirements file"
+                    "Please verify all of the python dependencies called out "
+                    "in the requirements file"
                 )
                 print("are installed locally prior to running omniperf.")
                 print("")
-                print("See: %s" % checkFile)
+                print(f"See: {checkFile}")
                 sys.exit(1)
     return
 
+
 def main():
+    '''Main function for omniperf'''
 
     # verify required python dependencies
     verify_deps()