Make "import llama_cpp" import replacements more robust

Author: oobabooga

.github/workflows/build-wheels-oobabooga.yml

@@ -188,7 +188,7 @@ jobs:
                 $content = Get-Content $_ -raw
                 $content = $content -replace '(?m)^import llama_cpp\.', 'from . import '
                 $content = $content -replace '(?m)^from llama_cpp\.', 'from .'
-                $content = $content -replace '(?m)^\s*import llama_cpp\s*$', 'import llama_cpp_cuda as llama_cpp'
+                $content = $content -replace '(?m)^(\s*)import llama_cpp(\s*)$', '${1}import llama_cpp_cuda as llama_cpp${2}'
                 $content | Set-Content $_ -NoNewline
             })
           }

.github/workflows/build-wheels-rocm-full.yml

@@ -180,7 +180,7 @@ jobs:
                 $content = Get-Content $_ -raw
                 $content = $content -replace '(?m)^import llama_cpp\.', 'from . import '
                 $content = $content -replace '(?m)^from llama_cpp\.', 'from .'
-                $content = $content -replace '(?m)^\s*import llama_cpp\s*$', 'import llama_cpp_cuda as llama_cpp'
+                $content = $content -replace '(?m)^(\s*)import llama_cpp(\s*)$', '${1}import llama_cpp_cuda as llama_cpp${2}'
                 $content | Set-Content $_ -NoNewline
             })
           }

.github/workflows/build-wheels-tensorcores.yml

@@ -188,7 +188,7 @@ jobs:
                 $content = Get-Content $_ -raw
                 $content = $content -replace '(?m)^import llama_cpp\.', 'from . import '
                 $content = $content -replace '(?m)^from llama_cpp\.', 'from .'
-                $content = $content -replace '(?m)^\s*import llama_cpp\s*$', 'import llama_cpp_cuda_tensorcores as llama_cpp'
+                $content = $content -replace '(?m)^(\s*)import llama_cpp(\s*)$', '${1}import llama_cpp_cuda_tensorcores as llama_cpp${2}'
                 $content | Set-Content $_ -NoNewline
             })
           }